True regarding conivaptan is: (A) Vasopressin antagonist, (B) V2 selective action, (C) Oral drug, (D) Treatment of hypernatremia
Answer is A. vasopressin receptor antagonists interfere with action at the vasopressin receptors. Used in the treatment of hyponatremia, especially in patients with congestive hea failure, liver cirrhosis or SIADH. EG conivaptan, tolvaptan, lixivaptan, satavaptan REF KD Tripathi 8th ed