Ondansetron improves outcomes when administered in emergency departments to children with acute gastroenteritis–associated vomiting. It is commonly prescribed at discharge to reduce symptoms, but ...

Most children seeking emergency department (ED) care due to vomiting are discharged home. Although they usually feel better when they leave the ED, the vomiting recurs in nearly one-third of children.

Ondansetron improves outcomes when administered in EDs to children with acute gastroenteritis–associated vomiting, but the benefit of postdischarge administration is unclear. New research findings are ...

Ondansetron can cause side effects that range from mild to serious. More common side effects include headache and constipation. If ondansetron side effects become difficult to tolerate, talk with your ...