Pharmacology Anti Histaminics e1071165 Buspirone is: A 5HT-1 agonist B 5HT-2 antagonist C H1 agonist D 5HT-2 antagonist High-Yield Explanation Ans. A. 5HT-1 agonistBuspirone is 5Ht-1 partial agonist which is given as antianxiety drug. They inhibit the neurotransmission of serotonin.