This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'All of the following drugs are used in prophylaxis of migraine except \nSelect and explain. \nA. Propanolol, B. Flunarizine, C. Tapiramate, D. Levetiracetam', 'role': 'user'}, {'content': 'Answer: D \nExplanation: K.DTripathy essentials of medical pharmacology 7th edition . Drugs for prophylaxis of migraine include beta blockers,TCA(amitriptyline),calcium channel blockers(flunarizine),anticonvulsants(topiramate),5HT antagonist. Ref Harrison20th edition pg 2345', 'role': 'assistant'}]