Comparing Keflex vs Nitrofurantoin
| Keflex (cephalexin) | Nitrofurantoin |
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| Keflex (cephalexin) | Nitrofurantoin |
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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 |
Prescription only
Nitrofurantoin is an effective antibiotic with a low risk of inducing bacterial resistance that is used specifically to treat urinary tract infections caused by susceptible bacteria. Long-term use... View more |
Related suggestions Bladder Infection
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| More about Keflex (cephalexin) | More about Nitrofurantoin | ||||||||
| Ratings & Reviews | |||||||||
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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. |
Nitrofurantoin has an average rating of 4.5 out of 10 from a total of 1883 ratings on Drugs.com. 29% of reviewers reported a positive effect, while 52% 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 Keflex side effects |
View all Nitrofurantoin side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
| Lower cost generic approved |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||
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We could not find an exact match for this medicine. Try searching the Price Guide directly. |
View all Nitrofurantoin prices |
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| Dosage Forms | |||||||||
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| Brand Names | |||||||||
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N/A |
Furadantin, Macrobid, Macrodantin | ||||||||
| 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 57 drugs are known to interact with Keflex:
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A total of 223 drugs are known to interact with Nitrofurantoin:
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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 |
February 06, 1953 |
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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.
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.