Desmopressin nasal (DDAVP®) is used to control the symptoms of a certain type of diabetes insipidus ('water diabetes'; condition in which the body produces an abnormally large amount of urine). Desmopressinnasal (DDAVP®) is also used to control excessive thirst and the passage of an abnormally large amount of urine that may occur after a head injury or after certain types of surgery. Desmopressin nasal (Noctiva®) is used to control frequent nighttime urination in adults who awaken at least 2 times per night to urinate. Desmopressin nasal (Stimate®) is used to stop some types of bleeding in people with hemophilia (condition in which the blood does not clot normally) and von Willebrand's disease (a bleeding disorder) with certain blood levels. Desmopressin nasal is in a class of medications called antidiuretic hormones. It works by replacing vasopressin, a hormone that is normally produced in the body to help balance the amount of water and salt.