Desmopressin tablets are taken at a dose of 0.1 to 0.2 mg three times daily. It should be used in accordance with medical advice. Desmopressin tablets instructions pointed out that the initial recommended dose of this product for central urolithiasis is 0.1mg each time, three times a day. Then adjust the dose according to the efficacy, most of the appropriate dose is 0.1-0.2mg each time, three times a day. The initial recommended dose of this product for the treatment of nocturnal enuresis is 0.2 mg at bedtime, which may be increased to 0.4 mg as prescribed by the physician, and then discontinued for no less than 1 week after 3 months of continuous administration, followed by an evaluation of whether or not to continue treatment. Water intake should be restricted during treatment. Desmopressin tablets are used to treat central enuresis and to treat nocturnal enuresis in patients 6 years of age and older. Adverse reactions may be seen as water retention, hyponatremia, vomiting, nausea, headache, weight gain, and convulsions. It is contraindicated in habitual or psychogenic irritable thirst, cardiac insufficiency, those taking diuretics, moderate to severe renal insufficiency, syndrome of abnormal secretion of antidiuretic hormone, hyponatremia, and hypersensitivity to the drug. The drug should be used in a standardized manner under the guidance of a doctor.