Vasopressin (Pitressin); Antidiuretic Hormone; Inj: 20 units/mL [0.5, 1, 10 mL];
Diabetes Insipidus:
Continuous infusion:
0.5 milliunit/kg/hr (0.0005 U/kg/hr), then double dosage as needed every 30 minutes to a max of 10 milliunit/kg/hr (0.01 u/kg/hr);
titrate based on
serum and urine sodium, osmolality, fluid balance and urine output.
Intermittent IM/SC: 2.5-10 units bid-qid prn
GI Hemorrhage: Initially 0.002-0.005 U/kg/min, titrate dose as needed to maximum of 0.01 U/kg/min