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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following drugs are used in prophylaxis of migraine, except:
assistant
The correct answer is  Drugs approved by the FDA for migraine prophylaxis are propranolol, timolol, sodium valproate and methysergide. Other used drugs are amitriptyline, noriptyline, verapamil, phenelzine, gabapentine and cyproheptadine. Ref: Harrisons 16th Edition, Page 93 (table 14-11)