This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: A.N.S., Subject name: Pharmacology
[{'content': 'A patient is having narrow angle glaucoma. Drug contraindicated in this patient is: \nSelect and explain. \nA. Acetazolamide, B. Timolol, C. Homatropine, D. Pilocarpine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. HomatropineAny drug having anti-cholinergic action can produce mydriasis in eye. Mydriasis is dangerous in a patient of glaucoma as it can precipitate the attack of angle closure glaucoma. Homatropine is an anti-cholinergic drug, therefore should be avoided in Glaucomatous patientSome other classes of drugs, i.e. tricyclic antidepressants, 1st generation anti-psychotic (phenothiazines), antihistamines and disopyramide possess significant antimuscarinic actions.', 'role': 'assistant'}]