Post-operative nausea and vomiting is one of the most common complaints adults have after undergoing anesthesia for a surgical procedure. Children, though, have an even higher incidence of post-op vomiting.1 They also have nausea more often, but because nausea is difficult to diagnose in these patients, it's most likely underreported. In both cases, our focus is on doing all we can to alleviate these unpleasant adverse effects.