Drugs use for Prophylaxis of migraine include the following except?
*TCA,beta blockers ,calcium channel blockers, valproate,topiramate , used for prophylaxis of migraine *Sumatriptan used for treatment of acute attack of migraine . Ref Harrison20th edition pg 2456
Sumitriptan
Valproate
Serotonergic drugs
TCAs
C.N.S