Postoperative nausea and vomiting: prevention and therapy.

As we enter the new millennium, the armamentarium available to treat and prevent postoperative nausea and vomiting continues to expand. There remains a finite incidence of postoperative nausea and vomiting, particularly among high-risk populations. This review examines recent studies of drugs, both new and old, and their impact on postoperative nausea and vomiting prophylaxis and treatment.