Dosing & Uses

AdultPediatricGeriatric

Dosage Forms & Strengths

tablet, extended-release (generic)

  • 8.5mg
  • 17mg
  • 20mg
  • 25.5mg
  • 30mg
  • 34mg
  • 40mg

tablet, extended-release (Sular, new hydrogel ER formulation)

  • 8.5mg
  • 17mg
  • 34mg

Hypertension

Hydrogel ER tablets (Sular's new formulation): 17 mg PO qDay initially; may increase slowly by at least 1-week intervals; not to exceed 34 mg PO qDay

Coat-core ER tablets (generic; old Sular formulation): 20 mg PO qDay initially; may increase slowly by at least 1-week intervals; not to exceed 60 mg/day

Hepatic Impairment

Hydrogel ER tablets (Sular's new formulation): Initial dose should not exceed 8.5 mg PO qDay; may increase slowly by at least 1-week intervals; not to exceed 34 mg PO qDay

Coat-core ER tablets (generic; old Sular formulation): Initial dose should not exceed 10 mg PO qDay; may increase slowly by at least 1-week intervals; not to exceed 30 mg PO qDay

Administration

Take on empty stomach; 1 hr before or 2 hr after meals

Swallow tablet whole; do not crush, divide, or chew

Safety and efficacy not established

Hydrogel ER tablets (Sular's new formulation): 8.5 mg PO qDay initially; may increase slowly by at least 1-week intervals; not to exceed 34 mg PO qDay

Coat-core ER tablets (generic; old Sular formulation): 10 mg PO qDay initially; may increase slowly by at least 1-week or longer intervals to minimum effective dose

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Interactions

Interaction Checker

and nisoldipine

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            Contraindicated (5)

            • dantrolene

              dantrolene, nisoldipine. Either increases toxicity of the other by Mechanism: pharmacodynamic synergism. Contraindicated. Rare incidence of cardiovascular collapse and marked hyperkalemia observed when coadministered; may be higher risk with nondihydropyridine calcium channel blockers.

            • fezolinetant

              nisoldipine will increase the level or effect of fezolinetant by affecting hepatic enzyme CYP1A2 metabolism. Contraindicated. Fezolinetant AUC and peak plasma concentration are increased if coadministered with drugs that are weak, moderate, or strong CYP1A2 inhibitors

            • itraconazole

              itraconazole will increase the level or effect of nisoldipine by Other (see comment). Contraindicated. CCBs elicit negative inotropic effects which may be additive to those of itraconazole; additionally, itraconazole can inhibit the metabolism of calcium channel blockers. Coadministration is contraindicated during and 2 weeks after itraconazole treatment.

            • ketoconazole

              ketoconazole will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated.

            • levoketoconazole

              levoketoconazole will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated.

            Serious - Use Alternative (37)

            • abametapir

              abametapir will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. For 2 weeks after abametapir application, avoid taking drugs that are CYP3A4 substrates. If not feasible, avoid use of abametapir.

            • aluminum hydroxide

              aluminum hydroxide will increase the level or effect of nisoldipine by increasing gastric pH. Applies only to oral form of both agents. Avoid or Use Alternate Drug.

            • apalutamide

              apalutamide will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Coadministration of apalutamide, a strong CYP3A4 inducer, with drugs that are CYP3A4 substrates can result in lower exposure to these medications. Avoid or substitute another drug for these medications when possible. Evaluate for loss of therapeutic effect if medication must be coadministered. Adjust dose according to prescribing information if needed.

            • calcium carbonate

              calcium carbonate will increase the level or effect of nisoldipine by increasing gastric pH. Applies only to oral form of both agents. Avoid or Use Alternate Drug.

            • carbamazepine

              carbamazepine will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • chloramphenicol

              chloramphenicol will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • cimetidine

              cimetidine will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

              cimetidine will increase the level or effect of nisoldipine by increasing gastric pH. Applies only to oral form of both agents. Avoid or Use Alternate Drug.

            • cobicistat

              cobicistat will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • efavirenz

              efavirenz will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • enzalutamide

              enzalutamide will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • erythromycin base

              erythromycin base will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • erythromycin ethylsuccinate

              erythromycin ethylsuccinate will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • erythromycin lactobionate

              erythromycin lactobionate will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • erythromycin stearate

              erythromycin stearate will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • esomeprazole

              esomeprazole will increase the level or effect of nisoldipine by increasing gastric pH. Applies only to oral form of both agents. Avoid or Use Alternate Drug.

            • fexinidazole

              fexinidazole will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Fexinidazole inhibits CYP3A4. Coadministration may increase risk for adverse effects of CYP3A4 substrates.

            • ibuprofen/famotidine

              ibuprofen/famotidine will increase the level or effect of nisoldipine by increasing gastric pH. Applies only to oral form of both agents. Avoid or Use Alternate Drug.

            • idelalisib

              idelalisib will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Idelalisib is a strong CYP3A inhibitor; avoid coadministration with sensitive CYP3A substrates

            • isoniazid

              isoniazid will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated.

            • ivosidenib

              ivosidenib will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Avoid coadministration of sensitive CYP3A4 substrates with ivosidenib or replace with alternative therapies. If coadministration is unavoidable, monitor patients for loss of therapeutic effect of these drugs.

            • lansoprazole

              lansoprazole will increase the level or effect of nisoldipine by increasing gastric pH. Applies only to oral form of both agents. Avoid or Use Alternate Drug.

            • larotrectinib

              larotrectinib will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • lofexidine

              lofexidine, nisoldipine. 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.

            • lonafarnib

              nisoldipine will increase the level or effect of lonafarnib by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. If coadministration of lonafarnib (a sensitive CYP3A substrate) with weak CYP3A inhibitors is unavoidable, reduce to, or continue lonafarnib at starting dose. Closely monitor for arrhythmias and events (eg, syncope, heart palpitations) since lonafarnib effect on QT interval is unknown.

            • lorlatinib

              lorlatinib will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • mifepristone

              mifepristone will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • nefazodone

              nefazodone will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • omeprazole

              omeprazole will increase the level or effect of nisoldipine by increasing gastric pH. Applies only to oral form of both agents. Avoid or Use Alternate Drug.

            • pantoprazole

              pantoprazole will increase the level or effect of nisoldipine by increasing gastric pH. Applies only to oral form of both agents. Avoid or Use Alternate Drug.

            • rabeprazole

              rabeprazole will increase the level or effect of nisoldipine by increasing gastric pH. Applies only to oral form of both agents. Avoid or Use Alternate Drug.

            • rifabutin

              rifabutin will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • rifampin

              rifampin will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • sodium bicarbonate

              sodium bicarbonate will increase the level or effect of nisoldipine by increasing gastric pH. Applies only to oral form of both agents. Avoid or Use Alternate Drug.

            • sodium citrate/citric acid

              sodium citrate/citric acid will increase the level or effect of nisoldipine by increasing gastric pH. Applies only to oral form of both agents. Avoid or Use Alternate Drug.

            • St John's Wort

              St John's Wort will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.

            • tucatinib

              tucatinib will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Avoid concomitant use of tucatinib with CYP3A substrates, where minimal concentration changes may lead to serious or life-threatening toxicities. If unavoidable, reduce CYP3A substrate dose according to product labeling.

            • voxelotor

              voxelotor will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Voxelotor increases systemic exposure of sensitive CYP3A4 substrates. Avoid coadministration with sensitive CYP3A4 substrates with a narrow therapeutic index. Consider dose reduction of the sensitive CYP3A4 substrate(s) if unable to avoid.

            Monitor Closely (150)

            • acebutolol

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

            • aldesleukin

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

            • alfuzosin

              alfuzosin and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • amifostine

              amifostine, nisoldipine. 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.

            • amlodipine

              amlodipine and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • amobarbital

              amobarbital will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • aprepitant

              aprepitant will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • armodafinil

              armodafinil will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • artemether/lumefantrine

              artemether/lumefantrine will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • asenapine

              asenapine and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • atazanavir

              atazanavir will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • atenolol

              atenolol, nisoldipine. Either decreases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Both drugs lower blood pressure.

            • atogepant

              nisoldipine will increase the level or effect of atogepant by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • avanafil

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

            • avapritinib

              nisoldipine will increase the level or effect of avapritinib by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • axitinib

              nisoldipine increases levels of axitinib by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • betaxolol

              betaxolol, nisoldipine. Either decreases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Both drugs lower blood pressure.

            • bisoprolol

              bisoprolol, nisoldipine. Either decreases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Both drugs lower blood pressure.

            • bosentan

              bosentan will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • bretylium

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

            • budesonide

              budesonide will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • butabarbital

              butabarbital will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • butalbital

              butalbital will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • calcium acetate

              calcium acetate decreases effects of nisoldipine by pharmacodynamic antagonism. Use Caution/Monitor.

            • calcium carbonate

              calcium carbonate decreases effects of nisoldipine by pharmacodynamic antagonism. Use Caution/Monitor.

            • calcium chloride

              calcium chloride decreases effects of nisoldipine by pharmacodynamic antagonism. Use Caution/Monitor.

            • calcium citrate

              calcium citrate decreases effects of nisoldipine by pharmacodynamic antagonism. Use Caution/Monitor.

            • calcium gluconate

              calcium gluconate decreases effects of nisoldipine by pharmacodynamic antagonism. Use Caution/Monitor.

            • carbidopa

              carbidopa increases effects of nisoldipine 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 nisoldipine both increase anti-hypertensive channel blocking. Modify Therapy/Monitor Closely.

            • celiprolol

              celiprolol, nisoldipine. Either decreases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Both drugs lower blood pressure.

            • cenobamate

              cenobamate will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Increase dose of CYP3A4 substrate, as needed, when coadministered with cenobamate.

            • clarithromycin

              clarithromycin will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Increased effect of calcium channel blockers may lead to hypotension, edema, decreased HR, and acute kidney injury due to reduced renal blood flow

            • clevidipine

              clevidipine and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • conivaptan

              conivaptan will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • cortisone

              cortisone will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • crizotinib

              crizotinib increases levels of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Dose reduction may be needed for coadministered drugs that are predominantly metabolized by CYP3A.

            • crofelemer

              crofelemer increases levels of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Crofelemer has the potential to inhibit CYP3A4 at concentrations expected in the gut; unlikely to inhibit systemically because minimally absorbed.

            • cyclosporine

              cyclosporine will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • dabrafenib

              dabrafenib will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely.

            • darifenacin

              darifenacin will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • darunavir

              darunavir will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • dasatinib

              dasatinib will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • deferasirox

              deferasirox will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • dexamethasone

              dexamethasone will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • DHEA, herbal

              DHEA, herbal will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • dichlorphenamide

              dichlorphenamide and nisoldipine both decrease serum potassium. Use Caution/Monitor.

            • diltiazem

              diltiazem will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              diltiazem and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • doxazosin

              doxazosin and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • dronedarone

              dronedarone will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • duvelisib

              duvelisib will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Coadministration with duvelisib increases AUC of a sensitive CYP3A4 substrate which may increase the risk of toxicities of these drugs. Consider reducing the dose of the sensitive CYP3A4 substrate and monitor for signs of toxicities of the coadministered sensitive CYP3A substrate.

            • elagolix

              elagolix decreases levels of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Elagolix is a weak-to-moderate CYP3A4 inducer. Monitor CYP3A substrates if coadministered. Consider increasing CYP3A substrate dose if needed.

            • elvitegravir/cobicistat/emtricitabine/tenofovir DF

              elvitegravir/cobicistat/emtricitabine/tenofovir DF increases levels of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Cobicistat is a CYP3A4 inhibitor; contraindicated with CYP3A4 substrates for which elevated plasma concentrations are associated with serious and/or life-threatening events.

            • encorafenib

              encorafenib, nisoldipine. affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Encorafenib both inhibits and induces CYP3A4 at clinically relevant plasma concentrations. Coadministration of encorafenib with sensitive CYP3A4 substrates may result in increased toxicity or decreased efficacy of these agents.

            • eslicarbazepine acetate

              eslicarbazepine acetate will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • esmolol

              esmolol, nisoldipine. Either decreases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Both drugs lower blood pressure.

            • etravirine

              etravirine will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • felodipine

              felodipine and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • finerenone

              nisoldipine will increase the level or effect of finerenone by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Monitor serum potassium during initiation and dosage adjustment of either finererone or weak CYP3A4 inhibitors. Adjust finererone dosage as needed.

            • flibanserin

              nisoldipine will increase the level or effect of flibanserin by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Increased flibanserin adverse effects may occur if coadministered with multiple weak CYP3A4 inhibitors.

            • fluconazole

              fluconazole will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • fludrocortisone

              fludrocortisone will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • fluvoxamine

              fluvoxamine will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • fosamprenavir

              fosamprenavir will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • fosaprepitant

              fosaprepitant will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • fosphenytoin

              fosphenytoin will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • grapefruit

              grapefruit will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • griseofulvin

              griseofulvin will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • hydrocortisone

              hydrocortisone will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • iloperidone

              iloperidone increases levels of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Iloperidone is a time-dependent CYP3A inhibitor and may lead to increased plasma levels of drugs predominantly eliminated by CYP3A4.

            • indinavir

              indinavir will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • isavuconazonium sulfate

              nisoldipine will increase the level or effect of isavuconazonium sulfate by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • isradipine

              isradipine and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • istradefylline

              istradefylline will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Istradefylline 40 mg/day increased peak levels and AUC of CYP3A4 substrates in clinical trials. This effect was not observed with istradefylline 20 mg/day. Consider dose reduction of sensitive CYP3A4 substrates.

            • labetalol

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

            • lapatinib

              lapatinib will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • lasmiditan

              nisoldipine 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.

            • lemborexant

              nisoldipine will increase the level or effect of lemborexant by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Lower nightly dose of lemborexant recommended if coadministered with weak CYP3A4 inhibitors. See drug monograph for specific dosage modification.

            • lenacapavir

              lenacapavir will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Lencapavir may increase CYP3A4 substrates initiated within 9 months after last SC dose of lenacapavir, which may increase potential risk of adverse reactions of CYP3A4 substrates.

            • letermovir

              letermovir increases levels of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • levodopa

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

            • lomitapide

              nisoldipine increases levels of lomitapide by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Lomitapide dose should not exceed 30 mg/day.

            • lopinavir

              lopinavir will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • lumefantrine

              lumefantrine will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • lurasidone

              lurasidone increases effects of nisoldipine 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.

            • magnesium supplement

              magnesium supplement, nisoldipine. Either increases toxicity of the other by Other (see comment). Use Caution/Monitor. Comment: Calcium channel blockers may increase toxic effects of magnesium; magnesium may increase hypotensive effects of calcium channel blockers.

            • maraviroc

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

            • marijuana

              marijuana will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • mefloquine

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

            • metformin

              nisoldipine decreases effects of metformin by pharmacodynamic antagonism. Use Caution/Monitor. Patient should be closely observed for loss of blood glucose control; when drugs are withdrawn from a patient receiving metformin, patient should be observed closely for hypoglycemia.

            • methylphenidate

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

            • methylprednisolone

              methylprednisolone will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • metoprolol

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

            • metronidazole

              metronidazole will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • miconazole vaginal

              miconazole vaginal will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • midazolam intranasal

              nisoldipine will increase the level or effect of midazolam intranasal by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Coadministration of mild CYP3A4 inhibitors with midazolam intranasal may cause higher midazolam systemic exposure, which may prolong sedation.

            • mitotane

              mitotane decreases levels of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Mitotane is a strong inducer of cytochrome P-4503A4; monitor when coadministered with CYP3A4 substrates for possible dosage adjustments.

            • moxisylyte

              moxisylyte and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • nadolol

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

            • nafcillin

              nafcillin will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              nafcillin decreases levels of nisoldipine by increasing metabolism. Use Caution/Monitor.

            • nebivolol

              nebivolol, nisoldipine. Either decreases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Both drugs lower blood pressure.

            • nelfinavir

              nelfinavir will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • nevirapine

              nevirapine will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • nicardipine

              nicardipine and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • nifedipine

              nifedipine will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              nifedipine and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • nilotinib

              nilotinib will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • nitroglycerin rectal

              nitroglycerin rectal, nisoldipine. Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Marked orthostatic hypotension has been reported when calcium channel blockers and organic nitrates were used concomitantly. Observe for possible additive hypotensive effects during concomitant use. .

            • nitroglycerin sublingual

              nisoldipine, nitroglycerin sublingual. Either increases toxicity of the other by additive vasodilation. Modify Therapy/Monitor Closely. Marked orthostatic hypotension reported with concomitant use.

            • nitroprusside sodium

              nisoldipine increases effects of nitroprusside sodium by pharmacodynamic synergism. Use Caution/Monitor.

            • ombitasvir/paritaprevir/ritonavir & dasabuvir (DSC)

              ombitasvir/paritaprevir/ritonavir & dasabuvir (DSC) will increase the level or effect of nisoldipine by altering metabolism. Modify Therapy/Monitor Closely. May decrease calcium channel blocker dose if necessary

            • oxcarbazepine

              oxcarbazepine will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • penbutolol

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

            • pentobarbital

              pentobarbital will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • phenobarbital

              phenobarbital will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • phenoxybenzamine

              phenoxybenzamine and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • phentolamine

              phentolamine and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • phenytoin

              phenytoin will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • pindolol

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

            • posaconazole

              posaconazole will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • prazosin

              prazosin and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • prednisone

              prednisone will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • primidone

              primidone will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • propranolol

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

              nisoldipine increases levels of propranolol by decreasing elimination. Use Caution/Monitor.

            • quinupristin/dalfopristin

              quinupristin/dalfopristin will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • ribociclib

              ribociclib will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • rifapentine

              rifapentine will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • ritonavir

              ritonavir will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • rucaparib

              rucaparib will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Adjust dosage of CYP3A4 substrates, if clinically indicated.

            • rufinamide

              rufinamide will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • saquinavir

              saquinavir increases levels of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Potential for increased toxicity. .

            • secobarbital

              secobarbital will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • silodosin

              silodosin and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • sodium sulfate/?magnesium sulfate/potassium chloride

              nisoldipine, sodium sulfate/?magnesium sulfate/potassium chloride. Either increases effects of the other by unknown mechanism. Use Caution/Monitor. Monitor for hypotension or muscle weakness in patients receiving calcium channel blockers with elevated serum magnesium concentrations.

            • sodium sulfate/potassium sulfate/magnesium sulfate

              nisoldipine, sodium sulfate/potassium sulfate/magnesium sulfate. Either increases effects of the other by unknown mechanism. Use Caution/Monitor. Monitor for hypotension or muscle weakness in patients receiving calcium channel blockers with elevated serum magnesium concentrations.

            • sotalol

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

            • stiripentol

              stiripentol, nisoldipine. affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Stiripentol is a CYP3A4 inhibitor and inducer. Monitor CYP3A4 substrates coadministered with stiripentol for increased or decreased effects. CYP3A4 substrates may require dosage adjustment.

            • tadalafil

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

            • tazemetostat

              tazemetostat will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              nisoldipine will increase the level or effect of tazemetostat by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • tecovirimat

              tecovirimat will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Tecovirimat is a weak CYP3A4 inducer. Monitor sensitive CYP3A4 substrates for effectiveness if coadministered.

            • temsirolimus

              nisoldipine increases toxicity of temsirolimus by Other (see comment). Use Caution/Monitor. Comment: Combination of mTOR inhibitors with calcium channel blockers increases risk of angioedema.

            • terazosin

              terazosin and nisoldipine both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • timolol

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

            • tinidazole

              nisoldipine will increase the level or effect of tinidazole by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • tipranavir

              tipranavir, nisoldipine. Other (see comment). Use Caution/Monitor. Comment: Nisoldipine levels may incr or decr, due to contradictory effects of tipranavir on hepatic CYP3A4 and P glycoprotein.

              tipranavir increases levels of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Potential for increased toxicity. .

            • topiramate

              topiramate will decrease the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            • trimagnesium citrate anhydrous

              trimagnesium citrate anhydrous, nisoldipine. Either increases effects of the other by Other (see comment). Use Caution/Monitor. Comment: Possible additive effect of magnesium and calcium channel blockers on reduction of ionic calcium may increase risk of hypotension or muscle weakness.

            • verapamil

              verapamil will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              nisoldipine and verapamil both increase anti-hypertensive channel blocking. Use Caution/Monitor.

            • voriconazole

              voriconazole will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

              voriconazole increases levels of nisoldipine by decreasing metabolism. Use Caution/Monitor.

            • xipamide

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

            • zafirlukast

              zafirlukast will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.

            Minor (29)

            • acetazolamide

              acetazolamide will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

            • agrimony

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

            • anastrozole

              anastrozole will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

            • atracurium

              nisoldipine increases effects of atracurium by pharmacodynamic synergism. Minor/Significance Unknown. Ca Channel Blockers interfere w/Ach release from prejunctional axon.

            • brimonidine

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

            • cisatracurium

              nisoldipine increases effects of cisatracurium by pharmacodynamic synergism. Minor/Significance Unknown. Ca Channel Blockers interfere w/Ach release from prejunctional axon.

            • cornsilk

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

            • cyclophosphamide

              cyclophosphamide will increase the level or effect of nisoldipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

            • fo-ti

              fo-ti increases effects of nisoldipine by pharmacodynamic synergism. Minor/Significance Unknown.

            • forskolin

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

            • incobotulinumtoxinA

              nisoldipine increases effects of incobotulinumtoxinA by pharmacodynamic synergism. Minor/Significance Unknown. Ca Channel Blockers interfere w/Ach release from prejunctional axon.

            • lithium

              nisoldipine increases toxicity of lithium by pharmacodynamic synergism. Minor/Significance Unknown. Increased risk of neurotoxicity.

            • maitake

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

            • metipranolol ophthalmic

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

            • octacosanol

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

            • onabotulinumtoxinA

              nisoldipine increases effects of onabotulinumtoxinA by pharmacodynamic synergism. Minor/Significance Unknown. Ca Channel Blockers interfere w/Ach release from prejunctional axon.

            • pancuronium

              nisoldipine increases effects of pancuronium by pharmacodynamic synergism. Minor/Significance Unknown. Ca Channel Blockers interfere w/Ach release from prejunctional axon.

            • porfimer

              nisoldipine decreases levels of porfimer by unspecified interaction mechanism. Minor/Significance Unknown.

            • rapacuronium

              nisoldipine increases effects of rapacuronium by pharmacodynamic synergism. Minor/Significance Unknown. Ca Channel Blockers interfere w/Ach release from prejunctional axon.

            • reishi

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

            • rocuronium

              nisoldipine increases effects of rocuronium by pharmacodynamic synergism. Minor/Significance Unknown. Ca Channel Blockers interfere w/Ach release from prejunctional axon.

            • ruxolitinib

              nisoldipine will increase the level or effect of ruxolitinib by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

            • ruxolitinib topical

              nisoldipine will increase the level or effect of ruxolitinib topical by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.

            • shepherd's purse

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

            • succinylcholine

              nisoldipine increases effects of succinylcholine by pharmacodynamic synergism. Minor/Significance Unknown. Ca Channel Blockers interfere w/Ach release from prejunctional axon.

            • tizanidine

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

            • treprostinil

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

            • vecuronium

              nisoldipine increases effects of vecuronium by pharmacodynamic synergism. Minor/Significance Unknown. Ca Channel Blockers interfere w/Ach release from prejunctional axon.

            • verteporfin

              nisoldipine increases levels of verteporfin by pharmacodynamic synergism. Minor/Significance Unknown.

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            Adverse Effects

            >10%

            Headache (22%)

            Peripheral edema (22%)

            1-10%

            Dizziness (5%)

            Palpitation (3%)

            Vasodilation (4%)

            Increased severity of angina (1.5%)

            Nausea (2%)

            Pharyngitis (5%)

            Sinusitis (3%)

            < 1%

            Gingival hyperplasia

            Colitis

            Anemia

            Alopecia

            Anorexia

            Anxiety

            Ischemia

            Diabetes mellitus

            Dyspepsia

            Dysphagia

            Postmarketing Reports

            Urogenital: Dysuria, hematuria, impotence, nocturia, urinary frequency, increased BUN and serum creatinine, vaginal hemorrhage, vaginitis

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            Warnings

            Contraindications

            Hypersensitivity to nisoldipine or other calcium channel blockers

            Cautions

            Use caution in CHF, aortic stenosis, hypotension (initially or after dose increases), persistent progressive dermatologic reactions, exacerbation of angina (during initiation of treatment, after dose increased, beta blocker withdrawal), liver impairment

            Reflex tachycardia resulting in angina and/or MI in patients with obstructive coronary disease reported

            Peripheral edema may occur within 2-3 weeks of initiating therapy

            Hypotension with or without syncope is possible (particularly with severe aortic stenosis)

            Do not take with high fat meal or grapefruit products

            Start at lower dose with liver/kidney dysfunction, elderly

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            Pregnancy & Lactation

            Pregnancy Category: C

            Lactation: not known if excreted in breast milk, use caution

            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

            Calcium channel blocker (dihydropyridine): inhibits transmembrane influx of extracellular Ca ions across membranes of myocardial cells and vascular smooth muscle cells, without changing serum calcium concentrations, resulting in inhibition of cardiac and vascular smooth muscle contraction, thereby dilating the main coronary and systemic arteries

            Produces vasodilation and decreases peripheral resistance

            Absorption

            Bioavailability: 4-8%

            Peak Plasma Time: 6-12 hr

            Duration: 24 hr

            Distribution

            Protein Bound: 99%

            Vd: 4-5 L/kg

            Metabolism

            Mainly metabolized in liver by CYP3A4

            Metabolites: Hydroxylated isobutyl ester derivative (active, 10% potency of parent drug)

            Elimination

            Clearance: 1400-2200 L/hr

            Excretion: Urine (60-80%); feces (6-12%)

            Dialyzable: HD: No

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            Images

            BRAND FORM. UNIT PRICE PILL IMAGE
            nisoldipine oral
            -
            17 mg tablet
            nisoldipine oral
            -
            8.5 mg tablet
            nisoldipine oral
            -
            25.5 mg tablet
            nisoldipine oral
            -
            17 mg tablet
            nisoldipine oral
            -
            8.5 mg tablet
            nisoldipine oral
            -
            30 mg tablet
            nisoldipine oral
            -
            20 mg tablet
            nisoldipine oral
            -
            34 mg tablet
            nisoldipine oral
            -
            34 mg tablet
            nisoldipine oral
            -
            40 mg tablet
            Sular oral
            -
            34 mg tablet
            Sular oral
            -
            17 mg tablet
            Sular oral
            -
            8.5 mg tablet

            Copyright © 2010 First DataBank, Inc.

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            Patient Handout

            Patient Education
            nisoldipine oral

            NISOLDIPINE (10, 20, 30, OR 40 MG) SUSTAINED ACTION - ORAL

            (nye-SOL-di-peen)

            COMMON BRAND NAME(S): Sular

            USES: Nisoldipine is used with or without other medications to treat high blood pressure (hypertension). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Nisoldipine is called a calcium channel blocker. It works by relaxing blood vessels so blood can flow more easily.

            HOW TO USE: Take this medication by mouth, usually once daily or as directed by your doctor. Take this medication on an empty stomach or with a low-fat meal. Do not take within 1 hour before or 2 hours after a high-fat meal. Doing so may increase side effects.Swallow the tablets whole. Do not crush or chew the tablets. Doing so can release all of the drug at once, increasing the risk of side effects.This medication comes in different sustained-action forms with different strengths. Check with your doctor or pharmacist that you are taking the correct dose and form. Do not take a different strength or form without checking with your doctor or pharmacist first.Avoid eating grapefruit or drinking grapefruit juice while using this medication unless your doctor or pharmacist says you may do so safely. Grapefruit can increase the chance of side effects with this medicine. Ask your doctor or pharmacist for more details.The dosage is based on your medical condition and response to treatment. Your doctor may gradually increase your dose. Follow your doctor's instructions carefully.Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day. Keep taking this medication even if you feel well. Most people with high blood pressure do not feel sick.Tell your doctor if your condition does not improve or if it worsens (for example, your routine blood pressure readings remain high or increase).

            SIDE EFFECTS: Dizziness, swelling ankles/feet, flushing, or headache may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.To reduce dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.An empty tablet shell may appear in your stool. This effect is harmless because your body has already absorbed the medication.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: fast/irregular/pounding heartbeat, fainting, vision changes.Some people who already have severe heart disease may rarely develop worsening chest pain or a heart attack after starting this medication or increasing the dose. Get medical help right away if you experience: worsening chest pain, symptoms of a heart attack (such as chest/jaw/left arm pain, shortness of breath, unusual sweating).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 nisoldipine, tell your doctor or pharmacist if you are allergic to it; or to other dihydropyridine calcium channel blockers (such as amlodipine, nifedipine); 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: a certain structural heart problem (aortic stenosis), liver disease.This drug may make you dizzy. Alcohol or marijuana (cannabis) can make you more dizzy. 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).During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.It is not known if this medication passes into breast milk. Consult your doctor before breast-feeding.

            DRUG INTERACTIONS: See also the How to Use section.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.Other medications can affect the removal of nisoldipine from your body, which may affect how nisoldipine works. Examples include cimetidine, azole antifungals (such as itraconazole, ketoconazole), macrolide antibiotics (such as erythromycin), rifamycins (such as rifabutin), St. John's wort, drugs used to treat seizures (such as carbamazepine, phenytoin), among others.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.

            NOTES: Do not share this medication with others. Talk with your doctor about making lifestyle changes that may help this medication work better (such as stress reduction programs, exercise, and dietary changes).Lab and/or medical tests (such as liver function, heart exam, blood pressure) may be done while you are taking this medication. Keep all medical and lab appointments. Consult your doctor for more details.Have your blood pressure checked regularly while taking this medication. Learn how to monitor your own blood pressure at home, and share the results with your doctor.

            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.

            Information last revised April 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

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            • View the formulary and any restrictions for each plan.
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            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
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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.