Comparing Keflex vs Macrobid
Keflex (cephalexin) | Macrobid (nitrofurantoin) |
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Keflex (cephalexin) | Macrobid (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
Prescribed for Urinary Tract Infection, Prevention of Bladder infection, Bladder Infection. Macrobid may also be used for purposes not listed in this medication guide. |
Related suggestions Bladder Infection
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More about Keflex (cephalexin) | More about Macrobid (nitrofurantoin) | ||||||||
Ratings & Reviews | |||||||||
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. |
Macrobid has an average rating of 4.5 out of 10 from a total of 829 ratings on Drugs.com. 29% of reviewers reported a positive effect, while 51% 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 Macrobid side effects |
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Drug Class | |||||||||
Generic Availability | |||||||||
Lower cost generic approved | |||||||||
Pricing and Coupons * Prices are without insurance | |||||||||
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
View all Macrobid prices |
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Dosage Forms | |||||||||
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Brand Names | |||||||||
N/A |
Other nitrofurantoin brands include: Furadantin, Macrodantin | ||||||||
Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
1 hour |
1 hour |
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CSA Schedule 1 View glossary of CSA terms | |||||||||
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 | |||||||||
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 | |||||||||
A total of 56 drugs are known to interact with Keflex:
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A total of 222 drugs are known to interact with Macrobid:
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Alcohol/Food/Lifestyle Interactions | |||||||||
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 | |||||||||
January 04, 1971 |
December 24, 1991 |
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WADA Class View classifications | |||||||||
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.