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Background:

Postoperative nausea and vomiting is commonly associated with adverse consequences and hamper the postoperative recovery in spite of the availability of many antiemetic drugs and regimens for its prevention. The study was aimed to compare the prophylactic effects of intravenously administered palonosetron, ondansetron, and granisetron on prevention of postoperative nausea and vomiting after general anesthesia.

Materials and Methods:

This prospective, double-blind study, comprised 120 adult consented patients of ASA grade I and II of either gender, was carried out after approval of Institutional Ethical Committee. Patients were randomized into three equal groups of 40 patients each in double-blind manner. Group P received inj. palonosetron (0.075 mg), group O received inj. ondansetron (4 mg), and group G received inj. granisetron (2 mg) intravenously five minutes before induction of …