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What is Tolvaptan is used for and explain in detail?
Tolvaptan:- * Tolvaptan is a selective Vasopressin V2 receptor antagonist indicated in treatment of euvolaemic or hypervolaemic hyponatremia (Na+ < 125mEq/L or clinically symptomatic hyponatraemia, in spite of fluid restrictive corrective measures), including patients with Syndrome of Inappropriate ADH Secretion and Hea Failure. * Bater and Schwaz criteria defines SIADH as follows: Ref:- Goodman & Gilman's Pharmacological basis of Therapeutics 13th Ed; Pg Num:- 466