nadolol (Rx)

Brand and Other Names:Corgard

Dosing & Uses

AdultPediatricGeriatric

Dosage Forms & Strengths

tablet

  • 20mg
  • 40mg
  • 80mg

Hypertension

40-320 mg PO qDay

Angina Pectoris

Initial 40 mg/day PO, increase gradually q 3-7Days

Doses up to 160-240mg qDay may be needed

SVT, Maintenance (Off-label)

60-160 mg/day PO

Aggressive Behavior; Upper GI Rebleed (Off-label)

40-160 mg/day PO

Migraine, Prophylaxis (Off-label)

40-80 mg PO qDay (up to 240 mg/day)

Renal Impairment

CrCl >50 mL/min: Administer qDay

CrCl 31-50 mL/min: Administer q24-36hr

CrCl 10-30 mL/min: Administer q24-48hr

CrCl <10 mL/min: Administer q40-60hr

Hepatic Impairment

Dose adjustments not listed in manufacturer’s label

Additional Information

Less effective than thiazide diuretics in black and geriatric patients

Shown to decrease mortality in hypertension and post-myocardial infarction

Other Indications & Uses

Off-label: Arrhythmias, GI bleed, hyperthyroidism, reduce IOP, SVT

Not approved

Hypertension

20-320 mg PO qDay

Angina Pectoris

Initial 20 mg/day PO, increase gradually q 3-7Days

Doses up to 160-240mg qDay may be needed

Next:

Interactions

Interaction Checker

and nadolol

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              Serious - Use Alternative (32)

              • acebutolol

                acebutolol and nadolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • atenolol

                atenolol and nadolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • betaxolol

                betaxolol and nadolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • bisoprolol

                bisoprolol and nadolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • carvedilol

                carvedilol and nadolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • celiprolol

                celiprolol and nadolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • clonidine

                clonidine, nadolol. Either increases toxicity of the other by unspecified interaction mechanism. Avoid or Use Alternate Drug. Can increase risk of bradycardia.

              • digoxin

                digoxin, nadolol. Either increases toxicity of the other by unspecified interaction mechanism. Avoid or Use Alternate Drug. Can increase risk of bradycardia.

              • diltiazem

                diltiazem, nadolol. Either increases toxicity of the other by unspecified interaction mechanism. Avoid or Use Alternate Drug. Can increase risk of bradycardia.

              • epinephrine

                nadolol increases effects of epinephrine by pharmacodynamic synergism. Avoid or Use Alternate Drug. Risk of hypertension and bradycardia. Consider selective beta 1 blocker (e.g., metoprolol).

              • epinephrine racemic

                nadolol increases effects of epinephrine racemic by pharmacodynamic synergism. Avoid or Use Alternate Drug. Risk of hypertension and bradycardia. Consider selective beta 1 blocker (e.g., metoprolol).

              • erdafitinib

                erdafitinib will increase the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Avoid or Use Alternate Drug. If coadministration unavoidable, separate administration by at least 6 hr before or after administration of P-gp substrates with narrow therapeutic index.

              • esmolol

                esmolol and nadolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • fexinidazole

                fexinidazole, nadolol. Either increases effects of the other by pharmacodynamic synergism. Avoid or Use Alternate Drug. Avoid coadministration of fexinidazole with drugs known to induce bradycardia. .

              • iobenguane I 131

                nadolol will decrease the level or effect of iobenguane I 131 by Other (see comment). Avoid or Use Alternate Drug. Based on the mechanism of action of iobenguane, drugs that reduce catecholamine uptake or that deplete catecholamine stores may interfere with iobenguane uptake into cells, and thus, reduce iobenguane efficacy. Discontinue interfering drugs for at least 5 half-lives before administration of either the dosimetry or an iobenguane dose. Do not administer these drugs until at least 7 days after each iobenguane dose.

              • labetalol

                labetalol and nadolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • lofexidine

                lofexidine, nadolol. Either increases effects of the other by pharmacodynamic synergism. Avoid or Use Alternate Drug. Avoid coadministration with other drugs that decrease pulse or blood pressure to mitigate risk of excessive bradycardia and hypotension.

              • mavacamten

                nadolol, mavacamten. Either increases effects of the other by pharmacodynamic synergism. Avoid or Use Alternate Drug. Expect additive negative inotropic effects of mavacamten and other drugs that reduce cardiac contractility.

              • metoprolol

                metoprolol and nadolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • nebivolol

                nadolol and nebivolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • penbutolol

                nadolol and penbutolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • pindolol

                nadolol and pindolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • propranolol

                nadolol and propranolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • rivastigmine

                nadolol increases toxicity of rivastigmine by pharmacodynamic synergism. Avoid or Use Alternate Drug. Additive bradycardia effect may result in syncope.

              • sotalol

                nadolol and sotalol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • sotorasib

                sotorasib will decrease the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Avoid or Use Alternate Drug. If use is unavoidable, refer to the prescribing information of the P-gp substrate for dosage modifications.

              • tepotinib

                tepotinib will increase the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Avoid or Use Alternate Drug. If concomitant use unavoidable, reduce the P-gp substrate dosage if recommended in its approved product labeling.

              • timolol

                nadolol and timolol both increase anti-hypertensive channel blocking. Avoid or Use Alternate Drug.

              • trilaciclib

                trilaciclib will decrease the level or effect of nadolol by Other (see comment). Avoid or Use Alternate Drug. Avoid coadministration of trilaciclib (OCT2, MATE1, and MATE-2K inhibitor) with substrates where minimal increased concentration in kidney or blood may lead to serious or life-threatening toxicities.

              • umeclidinium bromide/vilanterol inhaled

                nadolol, umeclidinium bromide/vilanterol inhaled. pharmacodynamic antagonism. Avoid or Use Alternate Drug. If a beta-blocker must be used in patients with COPD taking a beta-agonist, consider using a beta-blocker that is beta-1 selective .

              • verapamil

                verapamil, nadolol. Either increases toxicity of the other by unspecified interaction mechanism. Avoid or Use Alternate Drug. Can increase risk of bradycardia.

              • vilanterol/fluticasone furoate inhaled

                nadolol, vilanterol/fluticasone furoate inhaled. pharmacodynamic antagonism. Avoid or Use Alternate Drug. If a beta-blocker must be used in patients with COPD taking a beta-agonist, consider using a beta-blocker that is beta-1 selective .

              Monitor Closely (208)

              • acebutolol

                acebutolol and nadolol both increase serum potassium. Use Caution/Monitor.

              • aceclofenac

                nadolol and aceclofenac both increase serum potassium. Use Caution/Monitor.

                aceclofenac decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • acemetacin

                nadolol and acemetacin both increase serum potassium. Use Caution/Monitor.

                acemetacin decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • albuterol

                nadolol increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of albuterol by pharmacodynamic antagonism. Use Caution/Monitor.

              • aldesleukin

                aldesleukin increases effects of nadolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.

              • alfuzosin

                alfuzosin and nadolol both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • aluminum hydroxide

                aluminum hydroxide decreases levels of nadolol by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor. Separate by 2 hours.

              • amifostine

                amifostine, nadolol. Either increases effects of the other by pharmacodynamic synergism. Modify Therapy/Monitor Closely. Coadministration with blood pressure lowering agents may increase the risk and severity of hypotension associated with amifostine. When amifostine is used at chemotherapeutic doses, withhold blood pressure lowering medications for 24 hr prior to amifostine; if blood pressure lowering medication cannot be withheld, do not administer amifostine.

              • amiloride

                nadolol and amiloride both increase serum potassium. Modify Therapy/Monitor Closely.

              • amiodarone

                amiodarone, nadolol. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Risk of cardiotoxicity with bradycardia.

              • amlodipine

                nadolol and amlodipine both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • amobarbital

                amobarbital decreases levels of nadolol by increasing metabolism. Use Caution/Monitor. Consider a higher beta-blocker dose during coadministration of amobarbital. Atenolol, sotalol, nadolol less likely to be affected than other beta blockers.

              • arformoterol

                nadolol increases and arformoterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of arformoterol by pharmacodynamic antagonism. Use Caution/Monitor.

              • articaine

                nadolol, articaine. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Increased effects of epinephrine in anesthetic; risk of hypertension and bradycardia. Do NOT D/C chronic beta blocker Tx prior to anesthetic administration. Consider selective beta 1 blocker (e.g., metoprolol).

              • asenapine

                asenapine and nadolol both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • aspirin

                nadolol and aspirin both increase serum potassium. Use Caution/Monitor.

                aspirin decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • aspirin rectal

                nadolol and aspirin rectal both increase serum potassium. Use Caution/Monitor.

                aspirin rectal decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • aspirin/citric acid/sodium bicarbonate

                aspirin/citric acid/sodium bicarbonate decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

                nadolol and aspirin/citric acid/sodium bicarbonate both increase serum potassium. Use Caution/Monitor.

              • atazanavir

                atazanavir increases effects of nadolol by pharmacodynamic synergism. Use Caution/Monitor. Increased risk of hypotension, bradycardia, AV block, and prolonged PR interval. Consider lowering beta blocker dose.

              • atenolol

                atenolol and nadolol both increase serum potassium. Use Caution/Monitor.

              • avanafil

                avanafil increases effects of nadolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.

              • bendroflumethiazide

                nadolol increases and bendroflumethiazide decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • berotralstat

                berotralstat will increase the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Use Caution/Monitor. Monitor or titrate P-gp substrate dose if coadministered.

              • betaxolol

                betaxolol and nadolol both increase serum potassium. Use Caution/Monitor.

              • bismuth subsalicylate

                bismuth subsalicylate, nadolol. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Blockage of renal prostaglandin synthesis; may cause severe hypertension.

              • bisoprolol

                bisoprolol and nadolol both increase serum potassium. Use Caution/Monitor.

              • bosutinib

                bosutinib increases levels of nadolol by P-glycoprotein (MDR1) efflux transporter. Use Caution/Monitor.

              • bretylium

                nadolol, bretylium. Either increases effects of the other by pharmacodynamic synergism. Modify Therapy/Monitor Closely. Each drug may cause hypotension.

              • bumetanide

                nadolol increases and bumetanide decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • bupivacaine

                nadolol, bupivacaine. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Use extreme caution during concomitant use of bupivacaine and antihypertensive agents.

              • butabarbital

                butabarbital decreases levels of nadolol by increasing metabolism. Use Caution/Monitor. Consider a higher beta-blocker dose during coadministration of butabarbital. Atenolol, sotalol, nadolol less likely to be affected than other beta blockers.

              • butalbital

                butalbital decreases levels of nadolol by increasing metabolism. Use Caution/Monitor. Consider a higher beta-blocker dose during coadministration of butalbital. Atenolol, sotalol, nadolol less likely to be affected than other beta blockers.

              • calcium acetate

                calcium acetate decreases effects of nadolol by unspecified interaction mechanism. Use Caution/Monitor.

              • calcium carbonate

                calcium carbonate decreases effects of nadolol by unspecified interaction mechanism. Use Caution/Monitor.

                calcium carbonate decreases levels of nadolol by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor. Separate by 2 hours.

              • calcium chloride

                calcium chloride decreases effects of nadolol by unspecified interaction mechanism. Use Caution/Monitor.

              • calcium citrate

                calcium citrate decreases effects of nadolol by unspecified interaction mechanism. Use Caution/Monitor.

              • calcium gluconate

                calcium gluconate decreases effects of nadolol by unspecified interaction mechanism. Use Caution/Monitor.

              • candesartan

                candesartan and nadolol both increase serum potassium. Use Caution/Monitor.

                nadolol, candesartan. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Risk of fetal compromise if given during pregnancy.

              • carbenoxolone

                nadolol increases and carbenoxolone decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • carbidopa

                carbidopa increases effects of nadolol by pharmacodynamic synergism. Use Caution/Monitor. Therapy with carbidopa, given with or without levodopa or carbidopa-levodopa combination products, is started, dosage adjustment of the antihypertensive drug may be required.

              • carvedilol

                carvedilol and nadolol both increase serum potassium. Use Caution/Monitor.

              • celecoxib

                nadolol and celecoxib both increase serum potassium. Use Caution/Monitor.

                celecoxib decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • celiprolol

                celiprolol and nadolol both increase serum potassium. Use Caution/Monitor.

              • chloroprocaine

                nadolol, chloroprocaine. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Increased effects of epinephrine in anesthetic; risk of hypertension and bradycardia. Do NOT D/C chronic beta blocker Tx prior to anesthetic administration. Consider selective beta 1 blocker (e.g., metoprolol).

              • chlorothiazide

                nadolol increases and chlorothiazide decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • chlorpropamide

                nadolol decreases effects of chlorpropamide by pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers may also mask the symptoms of hypoglycemia.

              • chlorthalidone

                nadolol increases and chlorthalidone decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • choline magnesium trisalicylate

                nadolol and choline magnesium trisalicylate both increase serum potassium. Use Caution/Monitor.

                choline magnesium trisalicylate decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • clevidipine

                nadolol and clevidipine both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • clonidine

                nadolol, clonidine. Mechanism: pharmacodynamic synergism. Modify Therapy/Monitor Closely. Non selective beta blocker administration during withdrawal from centrally acting alpha agonists may result in rebound hypertension.

              • cyclopenthiazide

                nadolol increases and cyclopenthiazide decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • dasiglucagon

                nadolol decreases effects of dasiglucagon by unknown mechanism. Use Caution/Monitor. Dasiglucagon may stimulate catecholamine release; whereas beta blockers may inhibit catecholamines released in response to dasiglucagon. Coadministration may also transiently increase pulse and BP.

              • desflurane

                desflurane, nadolol. Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.

              • diclofenac

                nadolol and diclofenac both increase serum potassium. Use Caution/Monitor.

                diclofenac decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • diflunisal

                nadolol and diflunisal both increase serum potassium. Use Caution/Monitor.

                diflunisal decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • digoxin

                nadolol and digoxin both increase serum potassium. Use Caution/Monitor.

                nadolol increases effects of digoxin by pharmacodynamic synergism. Use Caution/Monitor. Enhanced bradycardia.

              • diltiazem

                nadolol and diltiazem both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • dobutamine

                nadolol increases and dobutamine decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of dobutamine by pharmacodynamic antagonism. Use Caution/Monitor.

              • dopexamine

                nadolol increases and dopexamine decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of dopexamine by pharmacodynamic antagonism. Use Caution/Monitor.

              • doxazosin

                doxazosin and nadolol both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • drospirenone

                nadolol and drospirenone both increase serum potassium. Modify Therapy/Monitor Closely.

              • elagolix

                elagolix will increase the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Use Caution/Monitor.

              • eliglustat

                eliglustat increases levels of nadolol by P-glycoprotein (MDR1) efflux transporter. Modify Therapy/Monitor Closely. Monitor therapeutic drug concentrations, as indicated, or consider reducing the dosage of the P-gp substrate and titrate to clinical effect.

              • ephedrine

                nadolol increases and ephedrine decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of ephedrine by pharmacodynamic antagonism. Use Caution/Monitor.

              • epinephrine

                nadolol increases and epinephrine decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of epinephrine by pharmacodynamic antagonism. Use Caution/Monitor.

              • epinephrine inhaled

                nadolol decreases effects of epinephrine inhaled by pharmacodynamic antagonism. Use Caution/Monitor. Beta2-adrenergic blockers may may inhibit bronchodilatory effects of epinephrine.

              • epinephrine racemic

                nadolol increases and epinephrine racemic decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of epinephrine racemic by pharmacodynamic antagonism. Use Caution/Monitor.

              • eprosartan

                eprosartan and nadolol both increase serum potassium. Use Caution/Monitor.

                nadolol, eprosartan. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Risk of fetal compromise if given during pregnancy.

              • esmolol

                esmolol and nadolol both increase serum potassium. Use Caution/Monitor.

              • ethacrynic acid

                nadolol increases and ethacrynic acid decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • ether

                nadolol, ether. Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Both beta blockers and ether depress the myocardium; consider lowering beta blocker dose if ether used for anesthesia.

              • etodolac

                nadolol and etodolac both increase serum potassium. Use Caution/Monitor.

                etodolac decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • etomidate

                etomidate, nadolol. Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.

              • etrasimod

                etrasimod, nadolol. pharmacodynamic synergism. Use Caution/Monitor. Transient decrease in heart rate and AV conduction delays may occur when initiating etrasimod. Concomitant use of etrasimod in patients receiving stable beta-blocker treatment did not result in additive effects on heart rate reduction. However, risk of additive heart rate reduction following initiation of beta-blocker therapy with stable etrasimod treatment or concomitant use with other drugs that may decrease heart rate is unknown. .

              • felodipine

                nadolol and felodipine both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • fenbufen

                nadolol and fenbufen both increase serum potassium. Use Caution/Monitor.

              • fenoprofen

                nadolol and fenoprofen both increase serum potassium. Use Caution/Monitor.

                fenoprofen decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • fingolimod

                nadolol increases effects of fingolimod by pharmacodynamic synergism. Use Caution/Monitor. Both medications decrease heart rate. Monitor patients on concomitant therapy, particularly in the first 6 hours after fingolimod is initiated or after a treatment interruption of at least two weeks, for bradycardia and atrioventricular block. To identify underlying risk factors of bradycardia and AV block, obtain a new or recent ECG in patients using beta-blockers prior to starting fingolimod.

              • flurbiprofen

                nadolol and flurbiprofen both increase serum potassium. Use Caution/Monitor.

                flurbiprofen decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • formoterol

                nadolol increases and formoterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of formoterol by pharmacodynamic antagonism. Use Caution/Monitor.

              • fostamatinib

                fostamatinib will increase the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Use Caution/Monitor. Concomitant use of fostamatinib may increase concentrations of P-gp substrates. Monitor for toxicities of the P-gp substrate drug that may require dosage reduction when given concurrently with fostamatinib.

              • furosemide

                nadolol increases and furosemide decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • gentamicin

                nadolol increases and gentamicin decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • glecaprevir/pibrentasvir

                glecaprevir/pibrentasvir will increase the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Use Caution/Monitor.

              • glimepiride

                nadolol decreases effects of glimepiride by pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers may also mask the symptoms of hypoglycemia.

              • glipizide

                nadolol decreases effects of glipizide by pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers may also mask the symptoms of hypoglycemia.

              • glucagon

                glucagon decreases toxicity of nadolol by sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor. Coadministration of glucagon with beta-blockers may have transiently increased pulse and blood pressure.

              • glucagon intranasal

                glucagon intranasal decreases toxicity of nadolol by sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor. Coadministration of glucagon with beta-blockers may have transiently increased pulse and blood pressure.

              • glyburide

                nadolol decreases effects of glyburide by pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers may also mask the symptoms of hypoglycemia.

              • guanfacine

                nadolol, guanfacine. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Non selective beta blocker administration during withdrawal from centrally acting alpha agonists may result in rebound hypertension.

              • hydralazine

                hydralazine increases effects of nadolol by pharmacodynamic synergism. Use Caution/Monitor. Additive hypotensive effects.

              • hydrochlorothiazide

                nadolol increases and hydrochlorothiazide decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • ibuprofen

                nadolol and ibuprofen both increase serum potassium. Use Caution/Monitor.

                ibuprofen decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • ibuprofen IV

                ibuprofen IV decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

                nadolol and ibuprofen IV both increase serum potassium. Use Caution/Monitor.

              • indacaterol, inhaled

                indacaterol, inhaled, nadolol. Other (see comment). Use Caution/Monitor. Comment: Beta-blockers and indacaterol may interfere with the effect of each other when administered concurrently. Beta-blockers may produce severe bronchospasm in COPD patients. Therefore, patients with COPD should not normally be treated with beta-blockers. However, under certain circumstances, e.g. as prophylaxis after myocardial infarction, there may be no acceptable alternatives to the use of beta-blockers in patients with COPD. In this setting, cardioselective beta-blockers could be considered, although they should be administered with caution.

              • indapamide

                nadolol increases and indapamide decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • indomethacin

                nadolol and indomethacin both increase serum potassium. Use Caution/Monitor.

                indomethacin decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • insulin aspart

                nadolol, insulin aspart. Mechanism: pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers delay recovery of normoglycemia after insulin induced hypoglycemia; however, they also inhibit insulin secretion, so long term beta blocker Tx may result in reduced glucose tolerance. Insulin induced hypoglycemia may induce hypertension during non selective beta blocker Tx.

              • insulin degludec

                nadolol, insulin degludec. Other (see comment). Modify Therapy/Monitor Closely. Comment: Beta-blockers may either increase or decrease the blood glucose lowering effect of insulin; beta-blockers can prolong hypoglycemia (interference with glycogenolysis) or cause hyperglycemia (insulin secretion inhibited).

              • insulin degludec/insulin aspart

                nadolol, insulin degludec/insulin aspart. Other (see comment). Modify Therapy/Monitor Closely. Comment: Beta-blockers may either increase or decrease the blood glucose lowering effect of insulin; beta-blockers can prolong hypoglycemia (interference with glycogenolysis) or cause hyperglycemia (insulin secretion inhibited).

              • insulin detemir

                nadolol, insulin detemir. Mechanism: pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers delay recovery of normoglycemia after insulin induced hypoglycemia; however, they also inhibit insulin secretion, so long term beta blocker Tx may result in reduced glucose tolerance. Insulin induced hypoglycemia may induce hypertension during non selective beta blocker Tx.

              • insulin glargine

                nadolol, insulin glargine. Mechanism: pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers delay recovery of normoglycemia after insulin induced hypoglycemia; however, they also inhibit insulin secretion, so long term beta blocker Tx may result in reduced glucose tolerance. Insulin induced hypoglycemia may induce hypertension during non selective beta blocker Tx.

              • insulin glulisine

                nadolol, insulin glulisine. Mechanism: pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers delay recovery of normoglycemia after insulin induced hypoglycemia; however, they also inhibit insulin secretion, so long term beta blocker Tx may result in reduced glucose tolerance. Insulin induced hypoglycemia may induce hypertension during non selective beta blocker Tx.

              • insulin inhaled

                nadolol, insulin inhaled. Other (see comment). Modify Therapy/Monitor Closely. Comment: Beta-blockers may either increase or decrease the blood glucose lowering effect of insulin; beta-blockers can prolong hypoglycemia (interference with glycogenolysis) or cause hyperglycemia (insulin secretion inhibited).

              • insulin lispro

                nadolol, insulin lispro. Mechanism: pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers delay recovery of normoglycemia after insulin induced hypoglycemia; however, they also inhibit insulin secretion, so long term beta blocker Tx may result in reduced glucose tolerance. Insulin induced hypoglycemia may induce hypertension during non selective beta blocker Tx.

              • insulin NPH

                nadolol, insulin NPH. Mechanism: pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers delay recovery of normoglycemia after insulin induced hypoglycemia; however, they also inhibit insulin secretion, so long term beta blocker Tx may result in reduced glucose tolerance. Insulin induced hypoglycemia may induce hypertension during non selective beta blocker Tx.

              • insulin regular human

                nadolol, insulin regular human. Mechanism: pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers delay recovery of normoglycemia after insulin induced hypoglycemia; however, they also inhibit insulin secretion, so long term beta blocker Tx may result in reduced glucose tolerance. Insulin induced hypoglycemia may induce hypertension during non selective beta blocker Tx.

              • irbesartan

                irbesartan and nadolol both increase serum potassium. Use Caution/Monitor.

                nadolol, irbesartan. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Risk of fetal compromise if given during pregnancy.

              • isoproterenol

                nadolol increases and isoproterenol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of isoproterenol by pharmacodynamic antagonism. Use Caution/Monitor.

              • isradipine

                nadolol and isradipine both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • istradefylline

                istradefylline will increase the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Use Caution/Monitor. Istradefylline 40 mg/day increased peak levels and AUC of P-gp substrates in clinical trials. Consider dose reduction of sensitive P-gp substrates.

              • ivabradine

                ivabradine, nadolol. Either increases effects of the other by pharmacodynamic synergism. Modify Therapy/Monitor Closely. Most patients receiving ivabradine will also be treated with a beta-blocker. The risk of bradycardia increases with coadministration of drugs that slow heart rate (eg, digoxin, amiodarone, beta-blockers). Monitor heart rate in patients taking ivabradine with other negative chronotropes.

              • ketamine

                ketamine, nadolol. Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.

              • ketoprofen

                nadolol and ketoprofen both increase serum potassium. Use Caution/Monitor.

                ketoprofen decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • ketorolac

                nadolol and ketorolac both increase serum potassium. Use Caution/Monitor.

                ketorolac decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • ketorolac intranasal

                nadolol and ketorolac intranasal both increase serum potassium. Use Caution/Monitor.

                ketorolac intranasal decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • labetalol

                labetalol and nadolol both increase serum potassium. Use Caution/Monitor.

              • lasmiditan

                nadolol increases effects of lasmiditan by pharmacodynamic synergism. Use Caution/Monitor. Lasmiditan has been associated with a lowering of heart rate (HR). In a drug interaction study, addition of a single 200-mg dose of lasmiditan to propranolol decreased HR by an additional 5 bpm compared to propranolol alone, for a mean maximum of 19 bpm.

              • levalbuterol

                nadolol increases and levalbuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of levalbuterol by pharmacodynamic antagonism. Use Caution/Monitor.

              • levodopa

                levodopa increases effects of nadolol by pharmacodynamic synergism. Use Caution/Monitor. Consider decreasing dosage of antihypertensive agent.

              • lidocaine

                nadolol, lidocaine. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Increased effects of epinephrine in anesthetic; risk of hypertension and bradycardia. Do NOT D/C chronic beta blocker Tx prior to anesthetic administration. Consider selective beta 1 blocker (e.g., metoprolol).

                nadolol increases levels of lidocaine by decreasing elimination. Use Caution/Monitor. Risk of hypertension and bradycardia. Consider selective beta 1 blocker (e.g., metoprolol).

              • lomitapide

                lomitapide increases levels of nadolol by P-glycoprotein (MDR1) efflux transporter. Modify Therapy/Monitor Closely. Consider reducing dose when used concomitantly with lomitapide.

              • lonafarnib

                lonafarnib will increase the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Modify Therapy/Monitor Closely. Lonafarnib is a weak P-gp inhibitor. Monitor for adverse reactions if coadministered with P-gp substrates where minimal concentration changes may lead to serious or life-threatening toxicities. Reduce P-gp substrate dose if needed.

              • lornoxicam

                nadolol and lornoxicam both increase serum potassium. Use Caution/Monitor.

                lornoxicam decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • losartan

                losartan and nadolol both increase serum potassium. Use Caution/Monitor.

                nadolol, losartan. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Risk of fetal compromise if given during pregnancy.

              • lurasidone

                lurasidone increases effects of nadolol by Other (see comment). Use Caution/Monitor. Comment: Potential for increased risk of hypotension with concurrent use. Monitor blood pressure and adjust dose of antihypertensive agent as needed.

              • maraviroc

                maraviroc, nadolol. Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Increased risk of orthostatic hypotension.

              • meclofenamate

                meclofenamate decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

                nadolol and meclofenamate both increase serum potassium. Use Caution/Monitor.

              • mefenamic acid

                nadolol and mefenamic acid both increase serum potassium. Use Caution/Monitor.

                mefenamic acid decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • mefloquine

                mefloquine increases levels of nadolol by decreasing metabolism. Use Caution/Monitor. Risk of arrhythmia.

              • meloxicam

                nadolol and meloxicam both increase serum potassium. Use Caution/Monitor.

                meloxicam decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • mepivacaine

                nadolol, mepivacaine. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Use extreme caution during concomitant use of bupivacaine and antihypertensive agents.

              • metaproterenol

                nadolol increases and metaproterenol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of metaproterenol by pharmacodynamic antagonism. Use Caution/Monitor.

              • methyclothiazide

                nadolol increases and methyclothiazide decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor. .

              • methyldopa

                nadolol, methyldopa. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Non selective beta blocker administration during withdrawal from methyldopa may result in rebound hypertension.

              • methylphenidate

                methylphenidate will decrease the level or effect of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Methylphenidate may diminish antihypertensive effects. Monitor BP.

              • metolazone

                nadolol increases and metolazone decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • metoprolol

                metoprolol and nadolol both increase serum potassium. Use Caution/Monitor.

              • moxisylyte

                moxisylyte and nadolol both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • nabumetone

                nadolol and nabumetone both increase serum potassium. Use Caution/Monitor.

                nabumetone decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • naproxen

                nadolol and naproxen both increase serum potassium. Use Caution/Monitor.

                naproxen decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • nebivolol

                nadolol and nebivolol both increase serum potassium. Use Caution/Monitor.

              • nicardipine

                nadolol and nicardipine both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • nifedipine

                nadolol and nifedipine both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • nisoldipine

                nadolol and nisoldipine both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • nitroglycerin rectal

                nitroglycerin rectal, nadolol. Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Beta-blockers blunt the reflex tachycardia produced by nitroglycerin without preventing its hypotensive effects. If beta-blockers are used with nitroglycerin in patients with angina pectoris, additional hypotensive effects may occur.

              • norepinephrine

                nadolol increases and norepinephrine decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of norepinephrine by pharmacodynamic antagonism. Use Caution/Monitor.

              • olmesartan

                olmesartan and nadolol both increase serum potassium. Use Caution/Monitor.

                nadolol, olmesartan. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Risk of fetal compromise if given during pregnancy.

              • olodaterol inhaled

                nadolol, olodaterol inhaled. Either decreases effects of the other by pharmacodynamic antagonism. Use Caution/Monitor. Beta-blockers and olodaterol may interfere with the effect of each other when administered concurrently. Beta-blockers may produce severe bronchospasm in COPD patients. Therefore, patients with COPD should not normally be treated with beta-blockers. However, under certain circumstances, e.g. as prophylaxis after myocardial infarction, there may be no acceptable alternatives to the use of beta-blockers in patients with COPD. In this setting, cardioselective beta-blockers could be considered, although they should be administered with caution.

              • oxaprozin

                nadolol and oxaprozin both increase serum potassium. Use Caution/Monitor.

                oxaprozin decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • oxymetazoline intranasal

                nadolol increases effects of oxymetazoline intranasal by pharmacodynamic synergism. Use Caution/Monitor. When beta-2 receptors are antagonized by nonselective beta blockers, alpha1 vasoconstriction may be unopposed, thus increasing hypertensive effect. When oxymetazoline is combined with intranasal tetracaine for dental anesthesia, avoid or use an alternant anesthetic in patients taking nonselective beta blockers.

              • oxymetazoline topical

                oxymetazoline topical increases and nadolol decreases sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • parecoxib

                nadolol and parecoxib both increase serum potassium. Use Caution/Monitor.

                parecoxib decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • penbutolol

                nadolol and penbutolol both increase serum potassium. Use Caution/Monitor.

              • pentobarbital

                pentobarbital decreases levels of nadolol by increasing metabolism. Use Caution/Monitor. Atenolol, sotalol, nadolol less likely to be affected than other beta blockers.

              • phenobarbital

                phenobarbital decreases levels of nadolol by increasing metabolism. Use Caution/Monitor. Consider a higher beta-blocker dose during coadministration of phenobarbital. Atenolol, sotalol, nadolol less likely to be affected than other beta blockers.

              • phenoxybenzamine

                phenoxybenzamine and nadolol both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • phentolamine

                phentolamine and nadolol both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • phenylephrine

                nadolol increases effects of phenylephrine by pharmacodynamic synergism. Use Caution/Monitor. Risk of acute hypertensive episode (rare).

              • phenylephrine PO

                nadolol increases effects of phenylephrine PO by pharmacodynamic synergism. Use Caution/Monitor. Risk of acute hypertensive episode (rare).

              • pindolol

                nadolol and pindolol both increase serum potassium. Use Caution/Monitor.

              • pirbuterol

                nadolol increases and pirbuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of pirbuterol by pharmacodynamic antagonism. Use Caution/Monitor.

              • piroxicam

                nadolol and piroxicam both increase serum potassium. Use Caution/Monitor.

                piroxicam decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • ponesimod

                ponesimod and nadolol both increase pharmacodynamic synergism. Use Caution/Monitor. Beta-blockers may have additive effects on lowering HR. Consider resting HR before initiating ponesimod in patients on stable dose of beta-blocker. Refer to the ponesimod prescribing information for more dosing information.

              • potassium acid phosphate

                nadolol and potassium acid phosphate both increase serum potassium. Modify Therapy/Monitor Closely.

              • potassium chloride

                nadolol and potassium chloride both increase serum potassium. Modify Therapy/Monitor Closely.

              • potassium citrate

                nadolol and potassium citrate both increase serum potassium. Modify Therapy/Monitor Closely.

              • prazosin

                prazosin and nadolol both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • prilocaine

                nadolol, prilocaine. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Use extreme caution during concomitant use of bupivacaine and antihypertensive agents.

              • primidone

                primidone decreases levels of nadolol by increasing metabolism. Use Caution/Monitor. Consider a higher beta-blocker dose during coadministration of primidone. Atenolol, sotalol, nadolol less likely to be affected than other beta blockers.

              • propofol

                propofol, nadolol. Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.

              • propranolol

                nadolol and propranolol both increase serum potassium. Use Caution/Monitor.

              • ropivacaine

                nadolol, ropivacaine. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Use extreme caution during concomitant use of bupivacaine and antihypertensive agents.

              • sacubitril/valsartan

                sacubitril/valsartan and nadolol both increase serum potassium. Use Caution/Monitor.

                nadolol, sacubitril/valsartan. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Risk of fetal compromise if given during pregnancy.

              • salicylates (non-asa)

                nadolol and salicylates (non-asa) both increase serum potassium. Use Caution/Monitor.

                salicylates (non-asa) decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • salmeterol

                nadolol increases and salmeterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of salmeterol by pharmacodynamic antagonism. Use Caution/Monitor.

              • salsalate

                nadolol and salsalate both increase serum potassium. Use Caution/Monitor.

                salsalate decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • saquinavir

                saquinavir, nadolol. Either increases toxicity of the other by pharmacodynamic synergism. Modify Therapy/Monitor Closely. Use alternatives if available. Increased risk of PR prolongation and cardiac arrhythmias.

              • sarecycline

                sarecycline will increase the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Use Caution/Monitor. Monitor for toxicities of P-gp substrates that may require dosage reduction when coadministered with P-gp inhibitors.

              • secobarbital

                secobarbital decreases levels of nadolol by increasing metabolism. Use Caution/Monitor. Consider a higher beta-blocker dose during coadministration of secobarbital. Atenolol, sotalol, nadolol less likely to be affected than other beta blockers.

              • sevoflurane

                sevoflurane, nadolol. Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.

              • silodosin

                silodosin and nadolol both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • siponimod

                siponimod, nadolol. Either increases effects of the other by pharmacodynamic synergism. Modify Therapy/Monitor Closely. Caution when siponimod is initiated in patients receiving beta-blocker treatment because of additive effects on lowering heart rate. Temporary interruption of beta-blocker may be needed before initiating siponimod. Beta-blocker treatment can be initiated in patients receiving stable doses of siponimod.

              • sodium bicarbonate

                sodium bicarbonate decreases levels of nadolol by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor. Separate by 2 hours.

              • sodium citrate/citric acid

                sodium citrate/citric acid decreases levels of nadolol by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor. Separate by 2 hours.

              • sotalol

                nadolol and sotalol both increase serum potassium. Use Caution/Monitor.

              • spironolactone

                nadolol and spironolactone both increase serum potassium. Modify Therapy/Monitor Closely.

              • stiripentol

                stiripentol will increase the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Modify Therapy/Monitor Closely. Consider reducing the dose of P-glycoprotein (P-gp) substrates, if adverse reactions are experienced when administered concomitantly with stiripentol.

              • succinylcholine

                nadolol and succinylcholine both increase serum potassium. Use Caution/Monitor.

              • sulfasalazine

                nadolol and sulfasalazine both increase serum potassium. Use Caution/Monitor.

                sulfasalazine decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • sulindac

                nadolol and sulindac both increase serum potassium. Use Caution/Monitor.

                sulindac decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • tadalafil

                tadalafil increases effects of nadolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.

              • telmisartan

                telmisartan and nadolol both increase serum potassium. Use Caution/Monitor.

                nadolol, telmisartan. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Risk of fetal compromise if given during pregnancy.

              • terazosin

                terazosin and nadolol both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • terbutaline

                nadolol increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

                nadolol decreases effects of terbutaline by pharmacodynamic antagonism. Use Caution/Monitor.

              • theophylline

                nadolol, theophylline. Other (see comment). Use Caution/Monitor. Comment: Beta blockers (esp. non selective) antagonize theophylline effects, while at the same time increasing theophylline levels and toxicity (mechanism: decreased theophylline metabolism). Smoking increases risk of interaction.

              • timolol

                nadolol and timolol both increase serum potassium. Use Caution/Monitor.

              • tolazamide

                nadolol decreases effects of tolazamide by pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers may also mask the symptoms of hypoglycemia.

              • tolbutamide

                nadolol decreases effects of tolbutamide by pharmacodynamic antagonism. Use Caution/Monitor. Non selective beta blockers may also mask the symptoms of hypoglycemia.

              • tolfenamic acid

                nadolol and tolfenamic acid both increase serum potassium. Use Caution/Monitor.

                tolfenamic acid decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • tolmetin

                nadolol and tolmetin both increase serum potassium. Use Caution/Monitor.

                tolmetin decreases effects of nadolol by pharmacodynamic antagonism. Use Caution/Monitor. Long term (>1 wk) NSAID use. NSAIDs decrease prostaglandin synthesis.

              • tolvaptan

                nadolol and tolvaptan both increase serum potassium. Use Caution/Monitor.

              • torsemide

                nadolol increases and torsemide decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.

              • triamterene

                nadolol and triamterene both increase serum potassium. Modify Therapy/Monitor Closely.

              • tucatinib

                tucatinib will increase the level or effect of nadolol by P-glycoprotein (MDR1) efflux transporter. Use Caution/Monitor. Consider reducing the dosage of P-gp substrates, where minimal concentration changes may lead to serious or life-threatening toxicities.

              • valsartan

                valsartan and nadolol both increase serum potassium. Use Caution/Monitor.

                nadolol, valsartan. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Risk of fetal compromise if given during pregnancy.

              • verapamil

                nadolol and verapamil both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

              • xipamide

                xipamide increases effects of nadolol by pharmacodynamic synergism. Use Caution/Monitor.

              Minor (27)

              • adenosine

                nadolol, adenosine. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Bradycardia.

              • agrimony

                agrimony increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown.

              • brimonidine

                brimonidine increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown.

              • cevimeline

                cevimeline increases effects of nadolol by unspecified interaction mechanism. Minor/Significance Unknown.

              • ciprofloxacin

                ciprofloxacin increases levels of nadolol by decreasing metabolism. Minor/Significance Unknown.

              • cocaine topical

                nadolol increases effects of cocaine topical by pharmacodynamic synergism. Minor/Significance Unknown. Risk of angina.

              • cornsilk

                cornsilk increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown.

              • dihydroergotamine

                dihydroergotamine, nadolol. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Additive vasospasm.

              • dihydroergotamine intranasal

                dihydroergotamine intranasal, nadolol. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Additive vasospasm.

              • dipyridamole

                dipyridamole, nadolol. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Risk of bradycardia.

              • escitalopram

                escitalopram increases levels of nadolol by decreasing metabolism. Minor/Significance Unknown.

              • fenoldopam

                fenoldopam increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown. Additive hypotensive effects.

              • forskolin

                forskolin increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown.

              • imaging agents (gadolinium)

                nadolol, imaging agents (gadolinium). Mechanism: unknown. Minor/Significance Unknown. Increased risk of anaphylaxis from contrast media.

              • levobetaxolol

                levobetaxolol increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown.

              • maitake

                maitake increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown.

              • metipranolol ophthalmic

                metipranolol ophthalmic increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown.

              • neostigmine

                nadolol, neostigmine. Either increases effects of the other by pharmacodynamic synergism. Minor/Significance Unknown. Additive bradycardia.

              • noni juice

                nadolol and noni juice both increase serum potassium. Minor/Significance Unknown.

              • octacosanol

                octacosanol increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown.

              • physostigmine

                nadolol, physostigmine. Either increases effects of the other by pharmacodynamic synergism. Minor/Significance Unknown. Additive bradycardia.

              • pilocarpine

                pilocarpine increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown.

              • reishi

                reishi increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown.

              • shepherd's purse

                shepherd's purse, nadolol. Other (see comment). Minor/Significance Unknown. Comment: Theoretically, shepherd's purse may interfere with BP control.

              • tizanidine

                tizanidine increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown. Risk of hypotension.

              • treprostinil

                treprostinil increases effects of nadolol by pharmacodynamic synergism. Minor/Significance Unknown.

              • yohimbe

                nadolol decreases toxicity of yohimbe by pharmacodynamic antagonism. Minor/Significance Unknown.

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              Adverse Effects

              >10%

              Drowsiness

              Insomnia

              Decreased sexual ability

              1-10%

              Bradycardia (2%)

              Dizziness (2%)

              Fatigue (2%)

              Hypotension (1%)

              <1%

              Abdominal discomfort

              Constipation

              Diarrhea

              Nausea

              Cough

              Nasal congestion

              Frequency Not Defined

              Bronchospasm, depression, decreased exercise tolerance, Raynaud's phenomenon

              May increase triglyceride levels and insulin resistance, and decrease HDL levels

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              Warnings

              Black Box Warnings

              May exacerbate ischemic heart disease following abrupt withdrawal

              Hypersensitivity to catecholamines has been observed during withdrawal

              Exacerbation of angina and, in some cases, myocardial infarction occurrence after abrupt discontinuation

              When discontinuing chronically administered beta-blockers (particularly with ischemic heart disease) gradually reduce dose over 1-2 wk and carefully monitor

              If angina markedly worsens or acute coronary insufficiency develops, reinstate beta-blocker administration promptly, at least temporarily (in addition to other measures appropriate for unstable angina)

              Warn patients against interruption or discontinuation of beta-blocker without physician advice

              Because coronary artery disease is common and may be unrecognized, slowly discontinue beta-blocker therapy, even in patients treated only for hypertension

              Contraindications

              Hypersensitivity

              2°/3° heart block

              Bronchial asthma

              Sinus bradycardia

              Cardiogenic shock

              Overt cardiac failure

              Cautions

              Anesthesia/surgery (myocardial depression); chronically administered beta-blocking therapy should not be routinely withdrawn prior to major surgery, however the impaired ability of the heart to respond to reflex adrenergic stimuli may augment the risks of general anesthesia and surgical procedures

              Use caution in cerebrovascular insufficiency, well-compensated CHF, liver disease, renal impairment, peripheral vascular disease

              Use caution in nonallergic bronchospasm; may block bronchodilation produced by endogenous or exogenous catecholamine stimulation of beta receptors

              Beta-adrenergic blockade may prevent appearance of premonitory signs and symptoms (eg, tachycardia and blood pressure changes) of acute hypoglycemia; this is especially important with labile diabetics; beta-blockade also reduces release of insulin in response to hyperglycemia; dose adjustment of antidiabetic drugs may be necessary

              Beta-adrenergic blockade may mask certain clinical signs (eg, tachycardia) of hyperthyroidism; patients suspected of developing thyrotoxicosis should be managed carefully to avoid abrupt withdrawal of beta-adrenergic blockade which might precipitate thyroid storm

              Adequate alpha-blockade required prior to administering beta-blockade in untreated pheochromocytoma

              Cardiac Failure

              • Sympathetic stimulation may be a vital component supporting circulatory function in patients with congestive heart failure
              • Inhibition by beta-blockade may precipitate more severe failure; although beta-blockers should be avoided in overt congestive heart failure, if necessary, may use with caution in patients with history of failure who are well-compensated, usually with digitalis and diuretics
              • Beta-adrenergic blocking agents do not abolish inotropic action of digitalis on heart muscle
              • In patients without a history of heart failure, continued use of beta-blockers can, in some cases, lead to cardiac failure
              • At the first sign or symptom of heart failure, such patient should be digitalized and/or treated with diuretics, and response observed closely, or nadolol should be discontinued (gradually, if possible)

              Exacerbation of Ischemic Heart Disease Following Abrupt Withdrawal

              • Hypersensitivity to catecholamines has been observed in patients withdrawn from beta-blocker therapy
              • Exacerbation of angina and, in some cases, myocardial infarction have occurred after abrupt discontinuation of therapy
              • Gradually reduce dose when discontinuing chronically administered nadolol, particularly in patients with ischemic heart disease, over a period of one to two weeks; patient should be carefully monitored
              • If angina markedly worsens or acute coronary insufficiency develops, nadolol administration should be reinstituted promptly, at least temporarily, and other measures appropriate for management of unstable angina should be taken
              • Patients should be warned against interruption or discontinuation of therapy without physician's advice
              • Because coronary artery disease is common and may be unrecognized, it may be prudent not to discontinue nadolol therapy abruptly even in patients treated only for hypertension
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              Pregnancy & Lactation

              Pregnancy Category: C

              Lactation: concentrated in breast milk, use caution (AAP Committee states compatible w/ nursing)

              Pregnancy Categories

              A: Generally acceptable. Controlled studies in pregnant women show no evidence of fetal risk.

              B: May be acceptable. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk.

              C: Use with caution if benefits outweigh risks. Animal studies show risk and human studies not available or neither animal nor human studies done.

              D: Use in LIFE-THREATENING emergencies when no safer drug available. Positive evidence of human fetal risk.

              X: Do not use in pregnancy. Risks involved outweigh potential benefits. Safer alternatives exist.

              NA: Information not available.

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              Pharmacology

              Mechanism of Action

              Blocks response to beta-adrenergic stimulation to beta1 and beta2 receptors; may reduce portal pressure through beta2 receptor, which reduces portal blood flow

              Pharmacokinetics

              Half-Life: 10-24 hr

              Onset: 3-4 hr

              Duration: 17-24 hr

              Vd: 1.9 L/kg (1.88-2.02 L/kg)

              Peak Plasma Time: 2-4 hr

              Bioavailability: 20-40%

              Protein Bound: 28-30%

              Metabolism: None

              Excretion: Urine

              Dialyzable: Yes (HD)

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              Images

              BRAND FORM. UNIT PRICE PILL IMAGE
              nadolol oral
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              80 mg tablet
              nadolol oral
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              40 mg tablet
              nadolol oral
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              20 mg tablet
              nadolol oral
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              80 mg tablet
              nadolol oral
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              40 mg tablet
              nadolol oral
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              40 mg tablet
              nadolol oral
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              20 mg tablet
              nadolol oral
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              80 mg tablet
              nadolol oral
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              40 mg tablet
              nadolol oral
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              20 mg tablet
              nadolol oral
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              80 mg tablet
              nadolol oral
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              80 mg tablet
              nadolol oral
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              20 mg tablet
              nadolol oral
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              40 mg tablet
              nadolol oral
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              40 mg tablet
              nadolol oral
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              80 mg tablet
              nadolol oral
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              40 mg tablet
              nadolol oral
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              20 mg tablet
              nadolol oral
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              20 mg tablet
              nadolol oral
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              40 mg tablet
              nadolol oral
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              20 mg tablet
              nadolol oral
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              20 mg tablet
              nadolol oral
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              80 mg tablet
              nadolol oral
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              40 mg tablet
              nadolol oral
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              20 mg tablet
              nadolol oral
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              80 mg tablet
              nadolol oral
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              80 mg tablet
              Corgard oral
              -
              20 mg tablet
              Corgard oral
              -
              40 mg tablet

              Copyright © 2010 First DataBank, Inc.

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              Patient Handout

              Patient Education
              nadolol oral

              NADOLOL - ORAL

              (NAY-doe-lol)

              COMMON BRAND NAME(S): Corgard

              WARNING: If you have chest pain (angina) or heart disease (such as coronary artery disease, ischemic heart disease, high blood pressure), do not stop using this drug without first consulting your doctor. Your condition may become worse when the drug is suddenly stopped. If your doctor decides you should no longer use this drug, you must gradually decrease your dose according to your doctor's instructions.When gradually stopping this medication, it is recommended that you temporarily limit physical activity to decrease work for the heart. Get medical help right away if you develop worsening chest pain, tightness/pressure in the chest, chest pain spreading to the jaw/neck/arm, sweating, trouble breathing, or fast/irregular heartbeat.

              USES: Nadolol is used alone or with other medications to treat high blood pressure (hypertension) and to prevent chest pain (angina). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. In the management of chest pain, nadolol may also help to reduce the frequency of chest pain episodes and improve your ability to exercise.Nadolol belongs to a class of medications called beta blockers. It works by blocking the action of certain natural substances such as adrenaline (epinephrine) on the heart and blood vessels. This results in a lowering of heart rate, blood pressure, and strain on the heart.

              HOW TO USE: See also the Warning section.Take this medication by mouth with or without food as directed by your doctor, usually once daily. The dosage is based on your medical condition and response to treatment.Use this medication regularly in order to get the most benefit from it. To help you remember, take it at the same time each day. This medication treats, but does not cure, high blood pressure. Keep taking this medication even if you feel well. Most people with high blood pressure do not feel sick.Do not stop taking this medication without consulting your doctor. Your condition may become worse when the drug is suddenly stopped. Your dose may need to be gradually decreased.Inform your doctor if your condition lasts or gets worse (for example, if your routine blood pressure readings increase).

              SIDE EFFECTS: Dizziness, drowsiness, weakness, and cough may occur. If any of these effects last or get worse, notify your doctor or pharmacist promptly.To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.This drug may reduce blood flow to your hands and feet, causing them to feel cold. Smoking may worsen this effect. Dress warmly and avoid tobacco use.Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor right away if you have any serious side effects, including: bluish color of the fingers/toes/nails, hair loss (reversible), mental/mood changes (such as depression, confusion, memory problems), numbness/tingling, decreased sexual ability, vision changes, wheezing, new or worsening symptoms of heart failure (such as shortness of breath, swelling ankles/feet, unusual tiredness, unusual/sudden weight gain).Get medical help right away if you have any very serious side effects, including: slow/irregular/fast heartbeat, severe dizziness/fainting.A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

              PRECAUTIONS: Before taking nadolol, tell your doctor or pharmacist if you are allergic to it; or to other beta blockers (such as atenolol, propranolol); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.Before using this medication, tell your doctor or pharmacist your medical history, especially of: certain types of heart rhythm problems (such as a slow heartbeat, second- or third-degree atrioventricular block), blood circulation problems (such as Raynaud's disease, peripheral vascular disease), breathing problems (such as asthma, chronic bronchitis, emphysema), heart failure, kidney disease, mental/mood disorders (such as depression), a certain muscle disease (myasthenia gravis), skin conditions (such as atopy, psoriasis), overactive thyroid disease (hyperthyroidism), a certain type of tumor (pheochromocytoma).This drug may make you dizzy or drowsy. Alcohol or marijuana (cannabis) can make you more dizzy or drowsy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).This product may prevent the fast/pounding heartbeat you would usually feel when your blood sugar level falls too low (hypoglycemia). The risk is higher if you have diabetes, or are vomiting, fasting, or not eating regularly. Other symptoms of low blood sugar level, such as dizziness and sweating, are not affected by this drug.If you have diabetes, this product may make it harder to control your blood sugar levels. Check your blood sugar levels regularly as directed by your doctor. Tell your doctor right away if you have symptoms of high blood sugar such as increased thirst/urination. Your doctor may need to adjust your diabetes medication, exercise program, or diet.Children may be at greater risk for low blood sugar (hypoglycemia) while using this drug, especially if they are vomiting or not eating regularly. To help prevent low blood sugar, make sure children eat regularly. If your child cannot eat regularly, is vomiting, or has symptoms of low blood sugar (such as sweating, shaking), tell the doctor right away.Older adults may be at a greater risk for side effects such as dizziness while using this drug.During pregnancy, this medication should be used only when clearly needed. It may harm an unborn baby. Discuss the risks and benefits with your doctor.This medication passes into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breast-feeding.

              DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.Some products that may interact with this drug include: alpha blockers (such as prazosin), other beta blockers (such as atenolol), clonidine, epinephrine, fenoldopam, fingolimod, methyldopa, neuromuscular blocking agents (such as tubocurarine), "water pills" (including diuretics such as furosemide).Tell your doctor or pharmacist if you are taking other products that cause drowsiness such as opioid pain or cough relievers (such as codeine, hydrocodone), alcohol, marijuana (cannabis), drugs for sleep or anxiety (such as alprazolam, lorazepam, zolpidem), muscle relaxants (such as carisoprodol, cyclobenzaprine), or antihistamines (such as cetirizine, diphenhydramine).Check the labels on all your medicines (such as allergy or cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely.Some products have ingredients that could raise your heart rate or blood pressure. Tell your pharmacist what products you are using, and ask how to use them safely (especially cough-and-cold products, diet aids, or NSAIDs such as ibuprofen/naproxen).

              OVERDOSE: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: very slow heartbeat, severe dizziness/fainting, loss of consciousness, severe weakness, shortness of breath.

              NOTES: Do not share this medication with others.Lifestyle changes such as stress reduction programs, exercise, and dietary changes may increase the effectiveness of this medicine. Talk to your doctor or pharmacist about lifestyle changes that might benefit you.Lab and/or medical tests (such as blood pressure, kidney function) should be done while you are taking this medication. Keep all medical and lab appointments. Consult your doctor for more details.Have your blood pressure and pulse checked regularly while taking this medication. It may be best to learn how to monitor your own blood pressure and pulse.

              MISSED DOSE: If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.

              STORAGE: Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.

              MEDICAL ALERT: Your condition can cause complications in a medical emergency. For information about enrolling in MedicAlert, call 1-888-633-4298 (US) or 1-800-668-1507 (Canada).

              Information last revised August 2023. Copyright(c) 2023 First Databank, Inc.

              IMPORTANT: HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.

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              Formulary

              FormularyPatient Discounts

              Adding plans allows you to compare formulary status to other drugs in the same class.

              To view formulary information first create a list of plans. Your list will be saved and can be edited at any time.

              Adding plans allows you to:

              • View the formulary and any restrictions for each plan.
              • Manage and view all your plans together – even plans in different states.
              • Compare formulary status to other drugs in the same class.
              • Access your plan list on any device – mobile or desktop.

              The above information is provided for general informational and educational purposes only. Individual plans may vary and formulary information changes. Contact the applicable plan provider for the most current information.

              Tier Description
              1 This drug is available at the lowest co-pay. Most commonly, these are generic drugs.
              2 This drug is available at a middle level co-pay. Most commonly, these are "preferred" (on formulary) brand drugs.
              3 This drug is available at a higher level co-pay. Most commonly, these are "non-preferred" brand drugs.
              4 This drug is available at a higher level co-pay. Most commonly, these are "non-preferred" brand drugs or specialty prescription products.
              5 This drug is available at a higher level co-pay. Most commonly, these are "non-preferred" brand drugs or specialty prescription products.
              6 This drug is available at a higher level co-pay. Most commonly, these are "non-preferred" brand drugs or specialty prescription products.
              NC NOT COVERED – Drugs that are not covered by the plan.
              Code Definition
              PA Prior Authorization
              Drugs that require prior authorization. This restriction requires that specific clinical criteria be met prior to the approval of the prescription.
              QL Quantity Limits
              Drugs that have quantity limits associated with each prescription. This restriction typically limits the quantity of the drug that will be covered.
              ST Step Therapy
              Drugs that have step therapy associated with each prescription. This restriction typically requires that certain criteria be met prior to approval for the prescription.
              OR Other Restrictions
              Drugs that have restrictions other than prior authorization, quantity limits, and step therapy associated with each prescription.
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              Medscape prescription drug monographs are based on FDA-approved labeling information, unless otherwise noted, combined with additional data derived from primary medical literature.