Dosing & Uses
Dosage Forms & Strengths
capsule
- 500mg
oral suspension
- 250mg/5mL
- 500mg/5mL
tablet
- 1g
Pharyngitis
1 g PO qDay or divided q12hr for 10 days
Skin & Skin Structure Infections
1 g PO qDay or divided q12hr
Tonsillitis
1 g PO qDay or divided q12hr for 10 days
Urinary Tract Infections
2 g PO qDay or divided q12hr
Endocarditis
Prophylaxis (dental, upper respiratory procedure): 2 g PO 1 hour before procedure
Renal Impairment
1 g initially THEN 500 mg maintenance dose at intervals
CrCl 25-50 mL/min: q12hr
CrCl 10-25 mL/min: qDay
CrCl <10 mL/min: q36hr
Other Indications & Uses
E. coli, P. mirabilis, Klebsiella spp, staph, group A beta-hemolytic streptococcus
Interactions
Interaction Checker
No Results
Contraindicated
Serious - Use Alternative
Significant - Monitor Closely
Minor
Contraindicated (0)
Serious - Use Alternative (4)
- BCG vaccine live
cefadroxil decreases effects of BCG vaccine live by pharmacodynamic antagonism. Contraindicated. Wait until Abx Tx complete to administer live bacterial vaccine.
- cholera vaccine
cefadroxil, cholera vaccine. pharmacodynamic antagonism. Avoid or Use Alternate Drug. Avoid coadministration of cholera vaccine with systemic antibiotics since these agents may be active against the vaccine strain. Do not administer cholera vaccine to patients who have received oral or parenteral antibiotics within 14 days prior to vaccination.
- microbiota oral
cefadroxil decreases effects of microbiota oral by pharmacodynamic antagonism. Avoid or Use Alternate Drug. Microbiota oral contains bacterial spores. Antibacterial agents may decrease efficacy if coadministered. Complete antibiotic regimens 2-4 days before initiating microbiota oral. .
- typhoid vaccine live
cefadroxil decreases effects of typhoid vaccine live by pharmacodynamic antagonism. Contraindicated. Wait until Abx Tx complete to administer live bacterial vaccine.
Monitor Closely (17)
- bazedoxifene/conjugated estrogens
cefadroxil will decrease the level or effect of bazedoxifene/conjugated estrogens by altering intestinal flora. Applies only to oral forms of hormone. Low risk of contraceptive failure. Use Caution/Monitor.
- conjugated estrogens
cefadroxil will decrease the level or effect of conjugated estrogens by altering intestinal flora. Applies only to oral forms of hormone. Low risk of contraceptive failure. Use Caution/Monitor.
- digoxin
cefadroxil will increase the level or effect of digoxin by altering intestinal flora. Applies only to oral form of both agents. Use Caution/Monitor.
- estradiol
cefadroxil will decrease the level or effect of estradiol by altering intestinal flora. Applies only to oral forms of hormone. Low risk of contraceptive failure. Use Caution/Monitor.
- estrogens conjugated synthetic
cefadroxil will decrease the level or effect of estrogens conjugated synthetic by altering intestinal flora. Applies only to oral forms of hormone. Low risk of contraceptive failure. Use Caution/Monitor.
- estropipate
cefadroxil will decrease the level or effect of estropipate by altering intestinal flora. Applies only to oral forms of hormone. Low risk of contraceptive failure. Use Caution/Monitor.
- ethinylestradiol
cefadroxil will decrease the level or effect of ethinylestradiol by altering intestinal flora. Applies only to oral forms of hormone. Low risk of contraceptive failure. Use Caution/Monitor.
- levonorgestrel oral/ethinylestradiol/ferrous bisglycinate
cefadroxil will decrease the level or effect of levonorgestrel oral/ethinylestradiol/ferrous bisglycinate by altering intestinal flora. Applies only to oral forms of hormone. Low risk of contraceptive failure. Use Caution/Monitor. Antibiotics may decrease hormonal contraceptive efficacy.
- mestranol
cefadroxil will decrease the level or effect of mestranol by altering intestinal flora. Applies only to oral forms of hormone. Low risk of contraceptive failure. Use Caution/Monitor.
- mycophenolate
cefadroxil will increase the level or effect of mycophenolate by acidic (anionic) drug competition for renal tubular clearance. Use Caution/Monitor.
- pivmecillinam
pivmecillinam, cefadroxil. Either increases levels of the other by decreasing renal clearance. Use Caution/Monitor.
- probenecid
cefadroxil will increase the level or effect of probenecid by acidic (anionic) drug competition for renal tubular clearance. Use Caution/Monitor.
- sodium picosulfate/magnesium oxide/anhydrous citric acid
cefadroxil decreases effects of sodium picosulfate/magnesium oxide/anhydrous citric acid by altering metabolism. Use Caution/Monitor. Coadministration with antibiotics decreases efficacy by altering colonic bacterial flora needed to convert sodium picosulfate to active drug.
- temocillin
temocillin, cefadroxil. Either increases levels of the other by decreasing renal clearance. Use Caution/Monitor.
- ticarcillin
ticarcillin, cefadroxil. Either increases levels of the other by decreasing renal clearance. Use Caution/Monitor.
- voclosporin
voclosporin, cefadroxil. Either increases toxicity of the other by nephrotoxicity and/or ototoxicity. Modify Therapy/Monitor Closely. Coadministration with drugs associated with nephrotoxicity may increase the risk for acute and/or chronic nephrotoxicity.
- warfarin
cefadroxil increases effects of warfarin by unspecified interaction mechanism. Use Caution/Monitor.
Minor (60)
- aceclofenac
cefadroxil will increase the level or effect of aceclofenac by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- acemetacin
cefadroxil will increase the level or effect of acemetacin by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- acyclovir
cefadroxil will increase the level or effect of acyclovir by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- aminohippurate sodium
cefadroxil will increase the level or effect of aminohippurate sodium by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- aspirin
cefadroxil will increase the level or effect of aspirin by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- aspirin rectal
cefadroxil will increase the level or effect of aspirin rectal by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- aspirin/citric acid/sodium bicarbonate
cefadroxil will increase the level or effect of aspirin/citric acid/sodium bicarbonate by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- aztreonam
aztreonam, cefadroxil. Either increases effects of the other by pharmacodynamic synergism. Minor/Significance Unknown. Combination may be used synergistically against Enterobacteriaceae.
- balsalazide
cefadroxil will decrease the level or effect of balsalazide by altering intestinal flora. Applies only to oral form of both agents. Minor/Significance Unknown.
cefadroxil will increase the level or effect of balsalazide by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown. - bendroflumethiazide
cefadroxil will increase the level or effect of bendroflumethiazide by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- biotin
cefadroxil will decrease the level or effect of biotin by altering intestinal flora. Applies only to oral form of both agents. Minor/Significance Unknown.
- cefamandole
cefadroxil will increase the level or effect of cefamandole by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- cefpirome
cefadroxil will increase the level or effect of cefpirome by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- celecoxib
cefadroxil will increase the level or effect of celecoxib by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- chloramphenicol
chloramphenicol decreases effects of cefadroxil by pharmacodynamic antagonism. Minor/Significance Unknown.
- chlorothiazide
cefadroxil will increase the level or effect of chlorothiazide by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- chlorpropamide
cefadroxil will increase the level or effect of chlorpropamide by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- chlorthalidone
cefadroxil will increase the level or effect of chlorthalidone by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- choline magnesium trisalicylate
cefadroxil will increase the level or effect of choline magnesium trisalicylate by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- cyclopenthiazide
cefadroxil will increase the level or effect of cyclopenthiazide by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- diclofenac
cefadroxil will increase the level or effect of diclofenac by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- diflunisal
cefadroxil will increase the level or effect of diflunisal by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- etodolac
cefadroxil will increase the level or effect of etodolac by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- fenbufen
cefadroxil will increase the level or effect of fenbufen by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- fenoprofen
cefadroxil will increase the level or effect of fenoprofen by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- flurbiprofen
cefadroxil will increase the level or effect of flurbiprofen by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- furosemide
cefadroxil increases toxicity of furosemide by pharmacodynamic synergism. Minor/Significance Unknown. Increased risk of nephrotoxicity.
- ganciclovir
cefadroxil will increase the level or effect of ganciclovir by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- hydrochlorothiazide
cefadroxil will increase the level or effect of hydrochlorothiazide by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- ibuprofen
cefadroxil will increase the level or effect of ibuprofen by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- indapamide
cefadroxil will increase the level or effect of indapamide by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- indomethacin
cefadroxil will increase the level or effect of indomethacin by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- ketoprofen
cefadroxil will increase the level or effect of ketoprofen by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- ketorolac
cefadroxil will increase the level or effect of ketorolac by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- ketorolac intranasal
cefadroxil will increase the level or effect of ketorolac intranasal by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- lornoxicam
cefadroxil will increase the level or effect of lornoxicam by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- meclofenamate
cefadroxil will increase the level or effect of meclofenamate by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- mefenamic acid
cefadroxil will increase the level or effect of mefenamic acid by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- meloxicam
cefadroxil will increase the level or effect of meloxicam by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- mesalamine
cefadroxil will increase the level or effect of mesalamine by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- methyclothiazide
cefadroxil will increase the level or effect of methyclothiazide by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- metolazone
cefadroxil will increase the level or effect of metolazone by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- nabumetone
cefadroxil will increase the level or effect of nabumetone by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- naproxen
cefadroxil will increase the level or effect of naproxen by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- oxaprozin
cefadroxil will increase the level or effect of oxaprozin by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- pantothenic acid
cefadroxil will decrease the level or effect of pantothenic acid by altering intestinal flora. Applies only to oral form of both agents. Minor/Significance Unknown.
- parecoxib
cefadroxil will increase the level or effect of parecoxib by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- piroxicam
cefadroxil will increase the level or effect of piroxicam by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- pyridoxine
cefadroxil will decrease the level or effect of pyridoxine by altering intestinal flora. Applies only to oral form of both agents. Minor/Significance Unknown.
- pyridoxine (Antidote)
cefadroxil will decrease the level or effect of pyridoxine (Antidote) by altering intestinal flora. Applies only to oral form of both agents. Minor/Significance Unknown.
- rose hips
rose hips will increase the level or effect of cefadroxil by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- salicylates (non-asa)
cefadroxil will increase the level or effect of salicylates (non-asa) by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- salsalate
cefadroxil will increase the level or effect of salsalate by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- sulfasalazine
cefadroxil will increase the level or effect of sulfasalazine by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- sulindac
cefadroxil will increase the level or effect of sulindac by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- thiamine
cefadroxil will decrease the level or effect of thiamine by altering intestinal flora. Applies only to oral form of both agents. Minor/Significance Unknown.
- tolfenamic acid
cefadroxil will increase the level or effect of tolfenamic acid by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- tolmetin
cefadroxil will increase the level or effect of tolmetin by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- valganciclovir
cefadroxil will increase the level or effect of valganciclovir by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
- willow bark
cefadroxil will increase the level or effect of willow bark by acidic (anionic) drug competition for renal tubular clearance. Minor/Significance Unknown.
Adverse Effects
1-10%
Diarrhea
<1%
Abdominal pain
Dyspepsia
Nausea
Vomiting
Rash
Urticaria
Pseudomembranous colitis
Stevens-Johnson syndrome
Anaphylaxis
Transaminases increased
Neutropenia
Warnings
Contraindications
Documented hypersensitivity
Cautions
Adjust dose in severe renal insufficiency (high doses may cause CNS toxicity); prolonged use may result in superinfection
Pregnancy & Lactation
Pregnancy Category: B
Lactation: enters breast milk; use with 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.Pharmacology
Half-Life: 1-2 hr; 20-24 hr in renal failure
Peak Plasma Time: 70-90 min
Protein Bound: 20%
Absorption: rapid & well absorbed orally
Distribution: crosses placenta
Vd: 0.31 L/kg
Metabolism: hepatic minimal
Elimination: urine 90% unchanged
Mechanism of Action
First generation semi-synthetic cephalosporin, that arrests bacterial growth by inhibiting bacterial cell wall synthesis. Bactericidal activity against rapidly growing organisms.
Images
| BRAND | FORM. | UNIT PRICE | PILL IMAGE |
|---|---|---|---|
| cefadroxil oral - | 500 mg/5 mL suspension |  | |
| cefadroxil oral - | 500 mg capsule |  | |
| cefadroxil oral - | 500 mg/5 mL suspension |  | |
| cefadroxil oral - | 500 mg capsule |  | |
| cefadroxil oral - | 500 mg/5 mL suspension |  | |
| cefadroxil oral - | 500 mg/5 mL suspension |  | |
| cefadroxil oral - | 250 mg/5 mL suspension |  | |
| cefadroxil oral - | 500 mg capsule |  | |
| cefadroxil oral - | 1 gram tablet |  | |
| cefadroxil oral - | 500 mg/5 mL suspension |  | |
| cefadroxil oral - | 250 mg/5 mL suspension |  | |
| cefadroxil oral - | 500 mg capsule |  |
Copyright © 2010 First DataBank, Inc.
Patient Handout
cefadroxil oral
CEFADROXIL - ORAL
(SEF-a-DROX-il)
COMMON BRAND NAME(S): Duricef
USES: This medication is used to treat a wide variety of bacterial infections. It belongs to a class of drugs known as cephalosporin antibiotics. It works by stopping the growth of bacteria.This antibiotic treats only bacterial infections. It will not work for viral infections (such as common cold, flu). Using any antibiotic when it is not needed can cause it to not work for future infections.
HOW TO USE: Take this medication by mouth with or without food as directed by your doctor, usually once or twice a day. You may take this medication with food if stomach upset occurs.If you are using the liquid form of this medication, shake the bottle well before each dose. Carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose.The dosage is based on your medical condition and response to treatment. In children, the dosage is also based on weight.For the best effect, take this antibiotic at evenly spaced times. To help you remember, take this medication at the same time(s) every day.Continue to take this medication until the full prescribed amount is finished, even if symptoms disappear after a few days. Stopping the medication too early may result in a return of the infection.Tell your doctor if your condition lasts or gets worse.
SIDE EFFECTS: Stomach upset, nausea, vomiting, or diarrhea may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.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: signs of liver disease (such as nausea/vomiting that doesn't stop, loss of appetite, stomach/abdominal pain, yellowing eyes/skin, dark urine), new signs of infection (such as sore throat that doesn't go away, fever), easy bruising/bleeding, signs of kidney problems (such as change in the amount of urine), mental/mood changes (such as confusion).This medication may rarely cause a severe intestinal condition due to a bacteria called C. difficile. This condition may occur during treatment or weeks to months after treatment has stopped. Tell your doctor right away if you develop: diarrhea that doesn't stop, abdominal or stomach pain/cramping, blood/mucus in your stool.If you have these symptoms, do not use anti-diarrhea or opioid products because they may make symptoms worse.Use of this medication for prolonged or repeated periods may result in oral thrush or a new yeast infection. Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge or other new symptoms.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 cefadroxil, tell your doctor or pharmacist if you are allergic to it; or to penicillins or other cephalosporins; 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: kidney disease, intestinal disease (colitis).Cefadroxil may cause live bacterial vaccines (such as typhoid vaccine) to not work well. Tell your health care professional that you are using cefadroxil before having any immunizations/vaccinations.The suspension may contain sugar. Caution is advised if you have diabetes or any other condition that requires you to limit/avoid sugar in your diet. Ask your doctor or pharmacist about using this product safely.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.This medication passes into breast milk. While there have been no reports of harm to nursing infants, 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.This medication may cause false positive results with certain diabetic urine testing products (cupric sulfate-type). This drug may also affect the results of certain lab tests. Make sure lab personnel and all your doctors know you use this drug.
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: seizures.
NOTES: Do not share this medication with others.This medication has been prescribed for your current condition only. Do not use it later for another infection unless your doctor tells you to.Lab and/or medical tests (such as kidney function) may be done while you are taking this medication. Keep all medical and lab appointments. Consult your doctor for more details.
MISSED DOSE: If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.
STORAGE: Store the capsules/tablets at room temperature away from light and moisture. Refrigerate the suspension and discard any unused portion after 14 days. Do not freeze. 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 March 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.
Formulary
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