Sumatriptan exerts antimigraine action through which receptors?
Ans. is 'a' i.e., 5HT ID/IB * Sumatriptan is the first selective 5-HT1D/1B receptor agonist; activates other subtypes of 5-HT1 receptors only at very high concentrations, and does not interact with 5-HT2, 5-HT3, 5-HT4-7, a or b adrenergic, dopaminergic, cholinergic or GABA receptors.
5HT1D/1B
5 HT2
5HT3
5HT4
C.N.S