Desmopressin Acetate Injection, USP 4 mcg/mL is provided as a sterile, aqueous solution for intravenous or subcutaneous use. Each mL contains desmopressin acetate, 4 mcg (equivalent to 0.004 mg of desmopressin) and sodium chloride, 9 mg. May contain hydrochloric acid for pH adjustment. The pH range is 3.5 to 6.0.