You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A patient is having narrow angle glaucoma. Drug contraindicated in this patient is: and explain in detail?
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.