Indications for: Benztropine Injection
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.
Benztropine Injection Contraindications:
Children <3yrs old.
Benztropine Injection Warnings/Precautions:
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.
Benztropine Injection Classification:
Benztropine Injection Interactions:
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.
Formerly known under the brand name Cogentin.
Renal. Half-life: ~36 hours.