Comparing Amoxicillin vs Cephalexin
| Amoxicillin | Cephalexin |
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| Amoxicillin | Cephalexin |
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Prescription only
Amoxicillin is a penicillin-type antibiotic that may be used to treat infections caused by susceptible bacteria. It is usually well tolerated. Prescribed for Bacterial Infection, Bacterial... View more |
Prescription only
Cephalexin is a cephalosporin-type antibiotic that may be used in the treatment of infections caused by susceptible gram-positive bacteria. Approximately 10% of people who are allergic to penicillin... View more |
Related suggestions Bacterial Infection
Bladder Infection
Skin or Soft Tissue Infection
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| More about Amoxicillin | More about Cephalexin | ||||||||||||||||
| Generic Status | |||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Amoxicillin has an average rating of 6.3 out of 10 from a total of 364 ratings on Drugs.com. 52% of reviewers reported a positive effect, while 31% reported a negative effect. |
Cephalexin has an average rating of 6.4 out of 10 from a total of 494 ratings on Drugs.com. 52% of reviewers reported a positive effect, while 28% reported a negative effect. |
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| Drug Class | |||||||||||||||||
| Side Effects | |||||||||||||||||
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See also: amoxicillin side effects in more detail. |
See also: cephalexin side effects in more detail. |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all amoxicillin prices |
View all cephalexin prices |
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| Dosage Form(s) Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Amoxil, Apo-Amoxi | Keflex | ||||||||||||||||
| Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | |||||||||||||||||
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1.7 hours |
1 hour |
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| CSA Schedule ** View glossary of terms | |||||||||||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||||||||||
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Category B
No proven risk in humans
See the full pregnancy warnings document. |
Category B
No proven risk in humans
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 38 drugs are known to interact with amoxicillin:
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A total of 35 drugs are known to interact with cephalexin:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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January 18, 1974 |
January 04, 1971 |
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| WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
| Patient resources | |||||||||||||||||
| Professional Resources | |||||||||||||||||
| Related Treatment Guide | |||||||||||||||||
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** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.