Benztropine mesylate (INN: benzatropine mesilate; marketed as Cogentin) is an anticholinergic drug principally used for the treatment of: Drug-induced parkinsonism, akathisia and acute dystonia; Parkinson disease; and Idiopathic or secondary dystonia. Benztropine is a centrally acting anticholinergic agent with antihistaminic properties resulting from the combination of the tropine portion of the atropine molecule and the benzohydryl portion of diphenhydramine. Animal studies have indicated t… (More on Benztropine)