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What is mefenamic acid?

Mefenamic acid is a medication that is used to treat mild to moderate pain. It belongs to a group of medications called nonsteroidal anti-inflammatory drugs (NSAIDs). These drugs reduce inflammation and pain by inhibiting the action of prostaglandins, which are natural substances in the body that trigger pain and inflammation. Mefenamic acid is recommended for short-lived pain that is expected to last for up to one week. Mefenamic acid is supplied as a capsule that is taken by mouth. It is available in only one strength and requires a prescription. Mefenamic acid is sold in the United States under the brand name Ponstel.

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