women ( 182 ) undergoing elective orthopaedic surgery under general anaesthesia received 100 or 200 mg alizapride , 1.25 mg droperidol , 20 mg metoclopramide or a saline placebo intravenously 5-10 min before the end of anaesthesia in a double-blind random fashion to prevent post-operative nausea and vomiting .
C0013136
droperidol
C0042963
vomiting