This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autacoids, Subject name: Pharmacology
[{'content': 'All of the following can be used for prophylaxis of migraine except \nSelect and explain. \nA. Sumatriptan, B. Valproate, C. Propanol, D. Topiramate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Migraine prophylaxis include (i) Anticonvulsants (valproate and Topiramate),(ii) Antidepressants (amitriptyline and fluoxetine),(iii) Calcium channel blockers (verapamil,flunarizine)(iv) b-adrenoceptor antagonists (propranolol, timolol) Sumatriptan is used for treating acute migraine acute migraine: NSAIDS, Sumatriptan, ergotamine REF :ESSENTIALS OF MEDICAL PHARMACOLOGY:KD TRIPATHI, 8TH EDITION', 'role': 'assistant'}]