Comparing Diclofenac vs Mefenamic Acid
| Diclofenac | Mefenamic acid |
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| Diclofenac | Mefenamic acid |
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Prescription only
Diclofenac is an effective medicine for relieving pain but may be associated with an increased risk of cardiovascular and gastrointestinal side effects compared with some other NSAIDs. Prescribed... 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 695 ratings on Drugs.com. 67% 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, Xiclo, 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 442 drugs are known to interact with Diclofenac:
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A total of 409 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 | |||||||||||||||||
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| 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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.