Comparing Bactrim vs Methenamine
Bactrim | Methenamine |
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Bactrim (sulfamethoxazole / trimethoprim) | Methenamine |
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Prescription only
Bactrim is an effective combination antibiotic; however, it may not be suitable for those with kidney or liver disease or folate deficiency. The risk of side effects may be higher in the elderly... View more |
Prescription and OTC
Prescribed for Prevention of Bladder infection, Urinary Tract Infection, Kidney Infections, Bladder Infection. methenamine may also be used for purposes not listed in this medication guide. |
Related suggestions Urinary Tract Infection
Kidney Infections (Pyelonephritis)
Prevention of Bladder infection (Cystitis Prophylaxis)
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More about Bactrim (sulfamethoxazole / trimethoprim) | More about Methenamine | ||||||||||||||||
Ratings & Reviews | |||||||||||||||||
Bactrim has an average rating of 5.5 out of 10 from a total of 614 ratings on Drugs.com. 43% of reviewers reported a positive effect, while 42% reported a negative effect. |
Methenamine has an average rating of 8.3 out of 10 from a total of 103 ratings on Drugs.com. 78% of reviewers reported a positive effect, while 13% reported a negative effect. |
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Drug Class | |||||||||||||||||
Side Effects | |||||||||||||||||
See also: Bactrim side effects in more detail. |
See also: methenamine side effects in more detail. |
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Generic Availability | |||||||||||||||||
Lower cost generic |
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Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Bactrim prices |
View all methenamine prices |
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Dosage Forms Available | |||||||||||||||||
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Brand Names | |||||||||||||||||
Other sulfamethoxazole / trimethoprim brands include: Bactrim DS, Bactrim IV, Bactrim Pediatric, Bethaprim, Bethaprim Pediatric, Co-trimoxazole, Septra, Septra DS, SMZ-TMP DS, Sulfatrim Pediatric View more | Hiprex | ||||||||||||||||
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. | |||||||||||||||||
14 hours |
6 hours |
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CSA Schedule ** View glossary of 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 D
Positive evidence of risk
See the full pregnancy warnings document. |
Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
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Drug Interactions | |||||||||||||||||
A total of 422 drugs are known to interact with Bactrim:
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A total of 50 drugs are known to interact with methenamine:
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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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Disease Interactions | |||||||||||||||||
First Approval Date | |||||||||||||||||
July 30, 1973 |
July 05, 1967 |
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WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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.