Meprofen - Pharmacological action Ketoprofen is a NSAID, propionic acid derivative. This medication has analgesic, anti-inflammatory and antipyretic activity. The mechanism of action is associated with inhibition of COX activity - the main enzyme metabolism of arachidonic acid, a precursor of prostaglandins, which play a major role in the pathogenesis of inflammation, pain and fever. A pronounced analgesic effect of ketoprofen is due to two mechanisms: peripheral (indirect, via inhibition of...