Objective: To compare the effects of restrictive versus maintenance fluid in the management of transient tachypnea of the newborn on respiratory support and hospitalization duration . Methods: The study sample included 68 full term neonates diagnosed with transient tachypnea of the newborn(TTN) in Neonatal Intensive Care Unit at Tishreen University Hospital in Lattakia during (2016 - 2017) Patients were randomized into two groups: 1_A group of 33 patients received restricted fluid management of 40ml/kg /day on the first day of life increased by 15ml/kg/day for all patients until 150ml/kg/day. 2_A group of 35 patients received standard fluid management of 60ml/kg /day on the first day of life increased as mentioned earlier. The two groups were assessed daily for indicators of dehydration including:(weight, urine output, electrolytes ,blood urea nitrogen, creatinine , glucose and urine specific gravity)blood oxygen saturation was monitored by arterial blood gas and pulse oximeter and respiratory