title: Abuse of antiparkinsonian drugs.
abstract: Abuse of the antiparkinsonian agents for their hallucinogenic and euphoriant effects is likely more prevalent than reported. Two clinical cases are presented, with discussion of symptoms and response to a diagnostic trial of physostigmine.
mesh_terms: D000328:Adult; D000978:Antiparkinson Agents; D001590:Benztropine; D005260:Female; D006801:Humans; D008297:Male; D010830:Physostigmine; D011605:Psychoses, Substance-Induced / Q000175:diagnosis*; D019966:Substance-Related Disorders / Q000175:diagnosis*; D014282:Trihexyphenidyl
chemical_list: D000978:Antiparkinson Agents; D001590:Benztropine; D014282:Trihexyphenidyl; D010830:Physostigmine