| ethopropazine hydrochloride |
a phenothiazine derivative used as an antidyskinetic, believed to act by partially blocking central cholinergic receptors, so that cholinergic and dopaminergic activity in the basal ganglia is more balanced; used in the treatment of parkinsonism and for the control of drug-induced extrapyramidal reactions (except tardive dyskinesia); administered orally. Called also isothiazine hydrochloride.
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