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. 45% of reviewers reported a positive effect, while 39% reported a negative effect. |
Naproxen has an average rating of 6.8 out of 10 from a total of 683 ratings on Drugs.com. 59% of reviewers reported a positive effect, while 25% 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 Mefenamic acid side effects |
View all Naproxen side effects |
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| Drug Class | |||||||||||||||||
| 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 | |||||||||||||||||
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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 Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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3.5 hours |
18 hours |
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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 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 414 drugs are known to interact with Mefenamic acid:
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A total of 459 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 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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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.