<prompt> All of the following can be used for prophylaxis of migraine exceptSumatriptanValproatePropanolTopiramate  <response>: Migraine prophylaxis include i Anticonvulsants valproate and Topiramate,ii Antidepressants amitriptyline and fluoxetine,iii Calcium channel blockers verapamil,flunarizineiv 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 