Tolvaptan is tolvaptan tablets, its price per box is affected by the drug specifications, drug manufacturers and purchase area, way and other factors, there is a certain difference, generally ranging from 470-660 yuan. Tolvaptan Tablets, the main ingredient of which is tolvaptan, is mainly used for the treatment of clinically significant high-volume and normal-volume hyponatremia (i.e., serum sodium concentration <125 mEq/L), including patients with heart failure, cirrhosis, and abnormal secretion of antidiuretic hormone syndrome (SIADH). Its price is affected by a number of factors mentioned above, generally ranging from $470-660, depending on the local drugstore or medical institution pharmacy. In addition, it is a prescription drug and a physician's prescription is required for purchase. In addition, other adverse reactions (incidence ≥ 3%) have elevated blood sodium, dizziness and urinary frequency, but the degree of most of the mild or moderate, a history of allergy to any of the components of the product or similar compounds, thirst can not be perceived or can not produce a normal response to thirst, anuria, and urgent need to rapidly increase serum sodium concentration of the patient, or have low-volume hyponatremia, patients with hyponatremia, should be prohibited from the use of this product, the specific use of the product should also be The specific use of this product should be in accordance with medical advice.