on·​dan·​se·​tron än-ˈdän-si-ˌträn, ōn- How to pronounce ondansetron (audio)
: an antiemetic drug administered orally or parenterally in the form of its hydrated hydrochloride C18H19N3O·HCl·2H2O to prevent nausea and vomiting occurring especially as a consequence of cancer chemotherapy or surgery

Note: Odansetron is marketed under the trademark Zofran.

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Cite this Entry

“Ondansetron.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ondansetron. Accessed 30 Jan. 2023.

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