the prevention of postoperative vomiting following strabismus surgery in children with using promethazine and droperidol

children undergoing general anesthesia for strabismus surgery have a higher incidence of postoperative vomiting than those receiving the same anaesthesia for other types of ambulatory surgical procedures. droperidol (0/0 75 mg/kg iv) and promethazine (0.05-1.0 mg/kg) were used in 100 children between 2-15 years old. promethazine which has sedative property, anticholinergic antihistaminic, antiemetic and anti-motion sickness effects is recommended for children 0.05 mg-1.0 mg/kg of body weight iv. after induction of anesthesia and before operation and manipulation of the eye and combined with 0.5 mg/kg im promethazine after operation. the incidence of vomiting following strabismus surgery might be reduced more than with intravenous droperidol