All of the following drugs are used in prophylaxis of migraine, except:
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)
Propanolol
Flunarizine
Tapiramate
Levetiracetam