This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
Drug of choice in Acute migraine is 
Select and explain. 
A. Ergotamine, B. Sumatriptan, C. Dihydroergotamine, D. Propranol
B: Sumatriptan
Answer: B: Sumatriptan 
Explanation: (Sumatriptan) (170-17l-KDT6th) (523-LP 3rd)Triptans (Sumatriptan, naratriptan, eletriptan, almotriptan, zolmitriptan)* "Triptans rapidly and effectively abort or markedly reduce the severity of migraine headaches in about 80% of patients"* Sumatriptan is an effective and better tolerated than ergotamine* Somatriptan is the first selective 5HT 1B/1D receptor agonist"Propranol is drug of choice for prophylaxis in migraine"