Desmopressin is a synthetic medication that mimics the action of a natural hormone called vasopressin. It is primarily used to treat conditions like diabetes insipidus, which causes excessive thirst and urination, and bedwetting in children. Desmopressin helps the kidneys retain water, reducing urine output. This medication can be administered in various forms, including nasal spray, tablets, and injections. It is generally well-tolerated, but some individuals may experience side effects such as headaches or nausea. Regular monitoring is essential to ensure proper dosage and to avoid potential complications like water retention.