Some Aspects of the Pharmacology of Orphenadrine

Abstract
Orphenadrine possesses muscle-relaxant activity resembling that of tubocurarine in preparations of the hen, rat and frog. It antagonises suxamethonium-induced contracture in the hen but increases the duration of depression of the twitch height. The bearing of these findings upon the anti-Parkinson's activity and other uses of orphenadrine is discussed.