title: Letter: Potentiation of tardive dyskinesia: possible drug interaction.
mesh_terms: D001480:Basal Ganglia Diseases / Q000188:drug therapy; D001590:Benztropine / Q000009:adverse effects*; D004357:Drug Synergism; D005476:Fluphenazine / Q000009:adverse effects*; D006801:Humans; D009069:Movement Disorders / Q000139:chemically induced*; D014326:Tropanes / Q000009:adverse effects*
chemical_list: D014326:Tropanes; D001590:Benztropine; D005476:Fluphenazine