Indications for: Benztropine
Adjunct in Parkinsonism, drug-induced extrapyramidal disorders.
Parkinsonism: initially 0.5–1mg at bedtime. May increase by 0.5mg at 5–6 day intervals; max 6mg daily. Extrapyramidal disorders: 1–4mg 1–2 times daily. Acute dystonic reactions: 1–2mg IM or IV.
See Contraindications. Use cautiously in older children.
Children <3yrs old.
Tardive dyskinesia: not recommended. Narrow-angle glaucoma. Tachycardia. Psychosis. Prostatic hypertrophy. GI or GU obstruction. Chronically ill. Alcoholics. CNS disease. Exposure to extreme heat. Elderly. Pregnancy.
Paralytic ileus, hyperthermia, heat stroke with phenothiazines, tricyclic antidepressants. Antagonizes psychotropics.
Anticholinergic and antihistaminic effects, weakness, confusion, anhidrosis, excitement, GI upset, depression, lethargy, heat stroke, dysuria, toxic psychosis, rash.
Tabs formerly known under the brand name Cogentin.
Renal. Half-life: ~36 hours.