Terlipressin is primarily used in the treatment of hepatorenal syndrome, a condition that involves kidney failure in patients with severe liver disease. It works by constricting blood vessels, which helps to improve blood flow to the kidneys and reduce the pressure in the portal vein, a common issue in liver cirrhosis. Additionally, it is employed in managing bleeding esophageal varices, a serious complication of portal hypertension, by reducing blood flow to the affected veins. Terlipressin is also utilized in certain cases of septic shock to improve blood pressure and organ perfusion. Its vasoconstrictive properties make it a valuable therapeutic agent in these critical conditions.