<prompt> All of the following drugs are used in prophylaxis of migraine, except:PropanololFlunarizineTapiramateLevetiracetam  <response>: 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 