Fenamole is a muscle relaxant. It is effectively inhibits muscle spasms at good levels for a four hours and at significant levels for six hours. Clinical benefits were derived in patients with spasticity-spasm for periods up to 24 hours after a single oral dose. Fenamole is relatively free of adverse side effects particularly in the central nervous system. It is a potent copper chelator. It was once investigated as a potential antirheumatic agent in man.