Additional adverse reactions were observed in patients treated with aprepitant (40 mg) for postoperative nausea and vomiting and a greater incidence than with ondansetron: abdominal pain upper, bowel sounds abnormal, dysarthria, dyspnoea, hypoaesthesia, insomnia, miosis, nausea, sensory disturbance, stomach discomfort, visual acuity reduced, wheezing.