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Mefenamic Acid

Mefenamic Acid Dosage

Robert Chad Hakim, PharmD, BCCCPAllison Gourley, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Allison Gourley, PharmD
Last reviewed on March 19, 2024

The average cost for 30 capsules of 250mg of Mefenamic Acid is $41.08 with a free GoodRx coupon. This is 88.91% off the average retail price of $370.39.

capsuleCapsule

Dosage

Quantity

Price as low as

Price per unit

250mg

30 capsules

$41.08

$1.37

Avg retail price
$370.39(Save 88.91%)
GoodRx discount
$41.08
How it works
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Typical dosage for Mefenamic Acid

  • Mild to moderate pain: The typical dose is 500 mg by mouth as a single dose, then 250 mg by mouth every 6 hours as needed. Treatment should last no longer than a week.
  • Menstrual cramps: The typical dose is 500 mg by mouth as a single dose, then 250 mg by mouth every 6 hours. You'll need to start taking Mefenamic Acid at the start of your period at the first sign of bleeding or pain. Treatment should typically last only 2 or 3 days.
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Why trust our experts?

Robert Chad Hakim, PharmD, BCCCP, started his full-time career as a clinical pharmacist at UCLA Health in the general medicine, general cardiology, and ICU units after completing residency in 2016. He also was the preceptor for the general medicine rotation from 2017 to 2021, which was a required rotation for all pharmacy residents.
Allison Gourley, PharmD, is a kidney and pancreas transplant pharmacist at a teaching hospital in the San Francisco Bay Area. When she’s not educating patients about their immunosuppressants, she's actively involved in transplant research.

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