Precautions
Take extra caution in patients with the following medical conditions:
- Tachycardia
- Obstructive disease of the GI tract (e.g. pyloric or duodenal obstruction)
- Glaucoma
- Prostatic hyperplasia
- Urinary stricture or retention
- During hot weather, especially in those taking atropine-like drugs
- Chronic illness
- Alcoholics
- Brain disease
- Tardive dyskinesia
- Pregnancy and lactation
Interactions
Benzatropine may interact with the following medicines:
- Phenothiazines
- Haloperidol
- Other drugs with anticholinergic or antidopaminergic activity
- TCAs
- CNS depressants (e.g. sedatives and hypnotics, anxiolytics)
- Ketoconazole
- Parasympathomimetics (including both direct cholinergic receptor agonists and cholinesterase inhibitors)
- Carbonic anhydrase inhibitors