Comparing Mefenamic Acid vs Naproxen
| Mefenamic acid | Naproxen |
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| Mefenamic acid | Naproxen |
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Prescription only
Prescribed for Period Pain, Pain. Mefenamic acid may also be used for purposes not listed in this medication guide. |
Prescription and OTC
Naproxen is effective for the short-term relief of pain and inflammation associated with arthritis, gout, menstruation, and tendonitis; however, like other NSAIDs, it has the potential to adversely... View more |
Related suggestions Popular comparisons
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| More about Mefenamic acid | More about Naproxen | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Mefenamic acid has an average rating of 5.6 out of 10 from a total of 84 ratings on Drugs.com. 46% of reviewers reported a positive effect, while 38% reported a negative effect. |
Naproxen has an average rating of 6.9 out of 10 from a total of 681 ratings on Drugs.com. 60% of reviewers reported a positive effect, while 24% reported a negative effect. |
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| Drug Class | |||||||||||||||||
| Side Effects | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Mefenamic acid prices |
View all Naproxen prices |
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| Dosage Forms Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
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N/A |
Aflaxen, Aleve, Aleve Back and Muscle Pain, All Day Pain Relief, All Day Relief, Anaprox-DS, Comfort Pac with Naproxen, EC-Naprosyn, Flanax Pain Reliever, Midol Extended Relief, Naprelan, Naprosyn, Naproxen Sodium DS, Pamprin All Day Relief View more | ||||||||||||||||
| 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. | |||||||||||||||||
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3.5 hours |
18 hours |
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| CSA Schedule ** View glossary of 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 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. |
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| Drug Interactions | |||||||||||||||||
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A total of 393 drugs are known to interact with Mefenamic acid:
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A total of 432 drugs are known to interact with Naproxen:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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March 28, 1967 |
March 11, 1976 |
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| WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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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.