Prevention of post-op nausea & vomiting 4 mg IM single dose or slow IV.
Prevention of nausea & vomiting associated w/ highly emetogenic 8 mg slow IV or infuse over 15 min immediately before chemotherapy, followed by continuous infusion of 1 mg ondansetron/hr for <24 hr or 2 inj of 8 mg slow IV or infuse over 15 min 4 hr apart.
Prevention of nausea & vomiting associated w/ moderately emetogenic 8 mg slow IV or infuse over 15 min immediately before chemotherapy.
Childn >4 yr 5 mg/m
2 IV over 15 min immediately before chemotherapy.