<prompt> Drugs used in migraine prophylaxis are all except DELETE-REPEATFlunarizinePropanolCyproheptadineSumatriptan  <response>: Migraine prophylaxis should be considered in patients who: suffer at least two attacks a month; are experiencing an increasing frequency of headaches; The prophylaxis should not be continued for more than 4-6 months. Therapy for migraine prophylaxis should aim to reduce the frequency of migraine attacks by 50 These include i Anticonvulsants valproate and Topiramate, ii Antidepressants amitriptyline and fluoxetine, iii b-adrenoceptor antagonists propranolol, timolol ivCalcium channel blockers verapamil, nimodipine, v Serotonin 5-HT2 receptor antagonist Methysergide,cyproheptidine - less impressive REF :ESSENTIALS OF MEDICAL PHARMACOLOGY:KD TRIPATHI;7TH EDITION 