the administration of droperidol 1.25 mg ( for those receiving initially 1.25 mg of droperidol ) or saline ( for those receiving initially 2.5 mg of droperidol or saline ) was repeated i.m . during the 24 post-operative hours in a blind manner if the patient complained of nausea , retched or vomited .
C0013136
droperidol
C0027497
nausea