IRCT201202279148N1 IRCT 2013-01-21 Ahwaz Jondishapur Univercity Of Medical Sciences comparison of oral promethazine plus oral midazolam and oral midazolam in children sedation Efficacy of oral sedation with midazolam and promethazine compared with midazolam in children less than 7 years old undergoing CT-scan 2011-09-21 anticipated 46 Complete https://irct.ir/trial/9749 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Supportive. N/A sedation. Intervention 1: Intervention group: they will be recive syrup promethazine 1.25 mg/kg orally one hour before the CT scan is done. Then a dose of o.5mg/kg oral midazolam 20 minutes before CT (mixed with fruit juice) is given.If vomiting occurs within 15 minutes of administration of midazolam, we again repeat the dose. Children who do not sleep 30 minutes after midazolam administration 50% of the initial dose of midazolam should take to complete. Intervention 2: control group: they will be receive Sugar syrup 0.5 mg/kg orally one hour before the CT scan is done.Then a dose of o.5mg/kg oral midazolam 20 minutes before CT (mixed with fruit juice) is given.If vomiting occurs within 15 minutes of administration of midazolam, we again repeat the dose. Children who do not sleep 30 minutes after midazolam administration 50% of the initial dose of midazolam should take to complete.