![](https://webarchive.library.unt.edu/eot2008/20090514051544im_/http://www.cancer.gov/images/spacer.gif) |
|
(on-DAN-seh-tron)
![](https://webarchive.library.unt.edu/eot2008/20090514051544im_/http://www.cancer.gov/images/spacer.gif)
| The active ingredient in a drug used to treat nausea and vomiting caused by cancer treatment. Ondansetron is a type of serotonin receptor antagonist and a type of antiemetic. |
Previous Definitions: | oncolytic virus, oncolytic virus therapy, Onconase, Oncophage, Oncovin | Next Definitions: | ondansetron hydrochloride, onset of action, Ontak, ONYX-015, oophorectomy |
|
![](https://webarchive.library.unt.edu/eot2008/20090514051544im_/http://www.cancer.gov/images/spacer.gif) |