All of the following agents are used for prophylaxis of migraine, Except -
Propanalol
Valproate
Topiramate
Ethosuxamide
Ans. is 'd' i.e., Ethosuxamide Propanolol is the most commonly used drug for migraine prophylaxis. Anticonvulsants used for migraine prophylaxis are valproate, Gabapentine and topiramate (not ethosuxamide).