Methenamine Alternatives Compared
| Methenamine | Ciprofloxacin | Cephalexin |
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| Methenamine | Ciprofloxacin | Cephalexin |
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Prescription and OTC
Prescribed for Urinary Tract Infection, Prevention of Bladder infection, Kidney Infections, Bladder Infection. Methenamine may also be used for purposes not listed in this medication guide. |
Prescription only
Ciprofloxacin is an effective antibiotic that treats a wide variety of infections; however, it should not be given to children aged less than 18. In adults, it should be reserved for infections that... 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 Bladder Infection
Kidney Infections (Pyelonephritis)
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| More about Methenamine | More about Ciprofloxacin | More about Cephalexin | ||||||||||||||||||||||||
| Ratings & Reviews | ||||||||||||||||||||||||||
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Methenamine has an average rating of 8.2 out of 10 from a total of 105 ratings on Drugs.com. 76% of reviewers reported a positive effect, while 13% reported a negative effect. |
Ciprofloxacin has an average rating of 5.0 out of 10 from a total of 935 ratings on Drugs.com. 37% of reviewers reported a positive effect, while 46% reported a negative effect. |
Cephalexin has an average rating of 6.4 out of 10 from a total of 509 ratings on Drugs.com. 51% of reviewers reported a positive effect, while 28% 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 Methenamine side effects |
View all Ciprofloxacin side effects |
View all Cephalexin side effects |
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| Drug Class | ||||||||||||||||||||||||||
| Generic Availability | ||||||||||||||||||||||||||
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Lower cost generic |
Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | ||||||||||||||||||||||||||
View all Methenamine prices |
View all Ciprofloxacin prices |
View all Cephalexin prices |
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| Dosage Forms | ||||||||||||||||||||||||||
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| Brand Names | ||||||||||||||||||||||||||
| Hiprex | Cipro, Cipro Cystitis Pack, Cipro I.V., Cipro XR | Keflex | ||||||||||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | ||||||||||||||||||||||||||
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6 hours |
4 hours |
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. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | ||||||||||||||||||||||||||
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Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
Category C
Risk cannot be ruled out
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 64 drugs are known to interact with Methenamine:
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A total of 716 drugs are known to interact with Ciprofloxacin:
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A total of 54 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. |
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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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July 05, 1967 |
October 22, 1987 |
January 04, 1971 |
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| WADA Class View classifications | ||||||||||||||||||||||||||
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N/A |
N/A |
N/A |
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| More Information | ||||||||||||||||||||||||||
| Patient Resources | ||||||||||||||||||||||||||
| Professional Resources | ||||||||||||||||||||||||||
| Related Treatment Guide | ||||||||||||||||||||||||||
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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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.