<prompt> All of the following agents are used for prophylaxis of migraine, Except -PropanalolValproateTopiramateEthosuxamide  <response>: 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. 