This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Which of the following antiglaucoma medications can cause drowsiness ? \nSelect and explain. \nA. Latanoprost, B. Timolol, C. Brimonidine, D. Dorzolamide', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Brimonidine o The main side effects of brimonidine are dry mouth, sedation (drowsiness) and small fall in in BP. o Simple funda to solve this question is that all oc, agonists (clonidine, brimonidine) have central action --> all ot2 agonists can cause sedation, mental depression, disturbed sleep.", 'role': 'assistant'}]