Medicine C.N.S f9b5c9c8 Sumatriptan is A 5-HT 1D/1B agonists B 5-HT 1D/1B antagonist C 5-HT 1A agonist, D 5-HT 1A antagonist High-Yield Explanation Sumatriptan a 5-HT 1D/1B agonist is used for acute migraine attacks. Buspirone, a 5-HT 1A agonist is an effective nonbenzodiazepine anxiolytic. ref - harrisons internal medicine 20e pg3100