The typical dosage of ondansetron solution for injection for this condition is 4 mg given immediately ... If your doctor prescribes orally disintegrating tablets (ODT), peel back the foil covering ...

Ondansetron is not available in a brand-name version. It used to be available as the brand-name drug Zofran. Ondansetron comes as an oral tablet and orally disintegrating ... from a 4-mg dose ...