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 can lead to Megaloblastic anemia? \nSelect and explain. \nA. Dorzolamide, B. Chlorthiazide, C. Triamterene, D. Canrenone', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Triamterene is a ENaC blocker and also a folate antagonist, hence can lead to megaloblastic anemia.', 'role': 'assistant'}]