Mefenamic acid is a member of the fenamate group of nonsteroidal anti-inflammatory drugs (NSAIDs). Each green-banded, yellow capsule contains 250 mg of mefenamic acid for oral administration. Mefenamic acid is a white to greyish-white, odorless, microcrystalline powder with a melting point of 230°-231°C and water solubility of 0.004% at pH 7.1. The chemical name is N-2,3-xylylanthranilic acid. The molecular weight is 241.29. Its molecular formula is C 15H 15NO 2 and the structural formula of mefenamic acid is:

Carefully consider the potential benefits and risks of mefenamic acid and  other treatment options before deciding to use mefenamic acid. Use the lowest effective dose for the shortest duration consistent with individual patient treatment goals ( SEE WARNINGS).

Mefenamic acid is indicated:

• For relief of mild to moderate pain in patients ≥14 years of age, when therapy will not exceed one week (7 days).
• For treatment of primary dysmenorrhea.