Comparing Cephalexin vs Keflex
| Cephalexin | Keflex (cephalexin) |
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| Cephalexin | Keflex (cephalexin) |
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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 |
Prescription only
Keflex is a cephalosporin-type antibiotic that may be used in the treatment of gram-positive cocci infections. However, it should be used with caution in people with a penicillin allergy. Prescribed... View more |
Related suggestions Bacterial Infection
Bladder Infection
Skin or Soft Tissue Infection
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| More about Cephalexin | More about Keflex (cephalexin) | ||||||||
| Ratings & Reviews | |||||||||
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Cephalexin has an average rating of 6.4 out of 10 from a total of 510 ratings on Drugs.com. 51% of reviewers reported a positive effect, while 28% reported a negative effect. |
Keflex has an average rating of 7.3 out of 10 from a total of 91 ratings on Drugs.com. 66% of reviewers reported a positive effect, while 20% reported a negative effect. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||
View all Cephalexin side effects |
View all Keflex side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
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Lower cost generic |
Lower cost generic approved | ||||||||
| Pricing and Coupons * Prices are without insurance | |||||||||
View all Cephalexin prices |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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| Dosage Forms | |||||||||
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| Brand Names | |||||||||
| Keflex |
N/A |
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| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
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1 hour |
1 hour |
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| CSA Schedule 1 View glossary of CSA 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 53 drugs are known to interact with Cephalexin:
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A total of 53 drugs are known to interact with Keflex:
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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 04, 1971 |
January 04, 1971 |
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| WADA Class View classifications | |||||||||
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N/A |
N/A |
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| More Information | |||||||||
| Patient Resources | |||||||||
| Professional Resources | |||||||||
| Related Treatment Guide | |||||||||
1 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.
See also:
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Levaquin
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Tetracycline
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Cefuroxime
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Cefixime
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Nitrofurantoin
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Levofloxacin
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.