Tolvaptan for the Treatment of Hyponatremia
Tolvaptan is a vasopressin receptor antagonist, specific for the V2 receptor. This impairs urinary concentration and increases water excretion. Tolvaptan is classified as an aquaretic. In contrast to diuretics, aquaretics stimulate water excretion without significant electrolyte loss. What is Vasopressin? Vasopressin is the same thing as antidiuretic hormone (ADH). It is a hormone