How is desmopressin (DDAVP) used?

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Desmopressin (sometimes called DDAVP, short for the long chemical name) should be used exactly as directed by your doctor.  Typically, the oral dose will start at 0.05 mg. twice daily and increase to 0.4 mg. three times daily depending on response. It can also be taken as a nasal spray, but the doses are lower.

If taken correctly, desmopressin can control excessive thirst and reduce the amount of urine produced by the body. Some people produce too much urine because of a head injury, surgery or if they have a pituitary disorder called diabetes insipidus.