Ondezal Vial Injection contains Ondansetron Hydrochloride, a selective 5-HT3 receptor antagonist wid...Ondezal Vial Injection contains Ondansetron Hydrochloride, a selective 5-HT3 receptor antagonist widely used to prevent and control nausea and vomiting associated with chemotherapy, radiotherapy, and post-operative recovery. The vial presentation makes it suitable for IV infusion or slow IV/IM injection, especially in hospital or clinical settings where multiple doses or diluted administration may be required.See more