<prompt> Sumatriptan is5-HT 1D1B agonists5-HT 1D1B antagonist5-HT 1A agonist,5-HT 1A antagonist  <response>: Sumatriptan a 5-HT 1D1B agonist is used for acute migraine attacks. Buspirone, a 5-HT 1A agonist is an effective nonbenzodiazepine anxiolytic. ref - harrisons internal medicine 20e pg3100 