Comparison of Ondansetron, Metoclopramide and Promethazine for the Treatment of Nausea and Vomiting in the Adult ED

You may not be if

• Patients less than 18 years of age
• Unstable patients with SBP \< 90
• Patients with a stated or documented allergy to any of the study medications
• Patients whose nausea rating if \< 40 on the pretreatment VAS scale
• Patients who have received a commonly accepted antiemetic within the previous 24 hours
• Patients unwilling or unable to complete the assessment tool before and 30 minutes after study drug dosing