<prompt> Most specific antiemetic for Chemotherapy induced vomiting isDomperidoneGranisetronTegaserodDoxylamine  <response>: 5HT3 Antagonists 5HT3 antagonists like Ondansetron, Granisetron, Dolasetron, Tropisetron and Palanosetron are the most specific and effective agents in the management of chemotherapy-induced nausea vomiting and in nausea associated with upper abdominal irradiation. Ref:- Goodman Gilmans Pharmacological basis of Therapeutics 13th Ed; Pg.No:- 935-6 