Hydralazine tablets are prescription vasodilator medication used to treat high blood pressure (hypertension), severe hypertension in emergencies or pregnancy (pre-eclampsia), and sometimes heart failure. By relaxing blood vessels, it lowers blood pressure and reduces the heart's workload. Common strengths include 10mg, 25mg, 50mg, and 100mg.

Key Information:

• Usage: Taken by mouth, usually 2-4 times daily, with or without food.

• Mechanism: Direct vasodilation of arterioles.