Comparing Diclofenac vs Mefenamic Acid
| Diclofenac | Mefenamic acid |
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| Diclofenac | Mefenamic acid |
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Prescription only
Diclofenac treats osteoarthritis, rheumatoid arthritis, and ankylosing spondylitis by relieving pain, and inflammation. Ophthalmic forms reduce post-surgical eye swelling, pain, and light... View more |
Prescription only
Prescribed for Period Pain, Pain. Mefenamic acid may also be used for purposes not listed in this medication guide. |
Related suggestions |
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| More about Diclofenac | More about Mefenamic acid | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Diclofenac has an average rating of 7.3 out of 10 from a total of 702 ratings on Drugs.com. 68% of reviewers reported a positive effect, while 21% reported a negative effect. |
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. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||||||||||
View all Diclofenac side effects |
View all Mefenamic acid 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 Diclofenac prices |
View all Mefenamic acid prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Cambia, Cataflam, Lofena, Voltaren, Zipsor, Zorvolex |
N/A |
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| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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1.8 hours |
3.5 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 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 | |||||||||||||||||
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A total of 453 drugs are known to interact with Diclofenac:
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A total of 421 drugs are known to interact with Mefenamic acid:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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July 28, 1988 |
March 28, 1967 |
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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 | |||||||||||||||||
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.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.