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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 $42.11 with a free GoodRx coupon. This is 88.64% off the average retail price of $370.63.

capsuleCapsule

Dosage

Quantity

Price as low as

Price per unit

250mg

30 capsules

$42.11

$1.40

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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