 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  of urine you make is controlled by a certain substance in the body called vasopressin. In people who have "water diabetes" (diabetes insipidus) or certain kinds of head injury or brain surgery, the body does not make enough vasopressin. Desmopressin is a man-made form of vasopressin and is used to replace a low level of vasopressin. This medication helps to control increased thirst and too much urination due to these conditions, and helps prevent dehydration.Desmopressin is also used to control bleeding caused by surgery or injuries in people with certain bleeding problems (hemophilia A, type 1 von Willebrand's disease). It works by helping the body with normal blood clotting. How to use DDAVP Ampul When this medication is used to control bleeding, it is given by injection into a vein by a health care professional. It is given as directed by your doctor, usually over 15 to 30 minutes. When this medication is used to control increased thirst and too much urination, it is given by injection into a vein or under the skin as directed by your doctor, usually twice a day. If you are using this medication at home, learn all preparation and usage instructions from </s>