<prompt> All are used for management for hypernatremia except?5 dextrose in waterN2 in 5 dextroseNil by mouthIndomethacin  <response>: Hypernatremia is treated with free water intake by month or NG tube if patient is not obtunded. Dilute hypotonic fluids like 5 dextrose in water and N2 in 5 water are given to decrease serum sodium at a rate of 0.3 mmolHr. Drug that stimulate vasopressin like chlorpropamide indomethacin carbamazepine and clofibrate will also increase water absorption from collecting duct and reduce serum sodium. 