IRCT2016073027677N2 IRCT 2016-10-19 Urmia University of Medical Sciences Clinical trial effect of midazolam and ondansetron on nausea and vomiting in parturient under cesarean with spinal anesthesia Comparison the effect of intravenous midazolam and ondansetron on nausea and vomiting in cesarean sections with spinal anesthesia 2015-10-24 anticipated 126 Complete https://irct.ir/trial/22619 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention, Other design features: Midazolam (Tehran Chemie) (2mg), Ondansetron (Tehran Chemie) (4mg) and combination of them will be prepared as a syringe containing a solution of 5ml and 42 envelopes containing midazolam, 42 envelopes containing ondansetron and 42 envelopes containing a combination of the two will be prepared and randomly placed in a way that the kind of medicine inside envelopes has been written on white paper. The intervening person will inject the packed drug to the patient after closing the cord based on the random numbers table. 2-3 nausea and vomiying in cesarean. Intervention 1: Intervention group 2: Midazolam (Tehran Chemie) (2mg) will be prepared in 5 cc syringes and after closing cord randomly injected. Intervention 2: Intervention group 3:Midazolam (2mg) and Ondansetron (Tehran Chemie) (4mg) will be prepared in 5 cc syringes and after closing cord randomly injected. Intervention 3: Intervention group 2: Ondansetron (Tehran Chemie) (4mg) will be prepared in 5 cc syringes and after closing cord randomly injected.