biperiden hydrochloride /bīper″idən/ , a synthetic anticholinergic agent. ▪ INDICATIONS: It may be prescribed in the treatment of Parkinson’s disease and drug-induced extrapyramidal disorders. Biperiden hydrochloride is administered orally, and biperiden lactate is administered intramuscularly or intravenously. ▪ CONTRAINDICATIONS: Narrow-angle glaucoma, asthma, obstruction of the genitourinary or GI tract, or known hypersensitivity to this drug prohibits its use. ▪ ADVERSE EFFECTS: Among the more serious adverse reactions are blurred vision, central nervous system effects, urinary retention, postural hypotension, tachycardia, dry mouth, decreased sweating, and hypersensitivity reactions.
