Does the Administration of Haloperidol with Ondansetron and a Steroid Increase the Risk of Torsade de Pointes in Adult Patients at High Risk for Post Operative Nausea and Vomiting?

Due to the national shortage of Droperidol, Haloperidol is used as a third antiemetic. However, the safety of concurrent administration of Haloperidol, Ondansetron, and steroids has not been studied.