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What is All of the following durgs are used in prophylaxis of migraine, except and explain in detail?
The drugs has been approved by FDA for the prophylactic management of migraine are propranolol,timolol,sodiumvalproate,topiramate,and methysergide *Other drugs appear to display prophylactic efficacy includes amitriptyline,noriptyline,flunarizine,phenelzine,gabapentin,topiramate,and cycloheptadine *Among these phenelzine and methysergide are usually preserved for recalcitrant cases . Ref Harrison20th edition pg 2355