Used primarily in the management of hypertension, especially in acute settings. It helps lower blood pressure by acting as an alpha-1 adrenergic receptor blocker and a 5-HT1A receptor agonist. Commonly administered intravenously in emergency or perioperative situations to control severe high blood pressure. Also used in some countries for the treatment of essential hypertension as an oral medication. Its dual mechanism provides effective vasodilation with relatively low risk of reflex tachycardia.