This is an antimuscarinic drug.

Indications: Parkinsonism, drug-induced extra- pyramidal symptoms.

Cautions: same as for Benzhexol Hydrochloride; causes sedation rather than stimulation; persons affected should not drive or operate machinery; avoid alcohol (CNS depression).

Contra-indications: gastrointestinal obstruction; tardive dyskinesia; avoid in children under 3 years.

Side Effects: same as for Benzhexol Hydrochloride, but causes sedation rather than stimulation; also depression and hyperthermia.

Dose: by mouth, 0.5-1 mg daily usually at bedtime, gradually increased; max. 6 mg daily;

Usual maintenance dose, 1-4 mg daily in single or divided doses;

By IM or IV injection, 1-2 nig repeated if symptoms reappear.