(medicine) something that treats or prevents or alleviates the symptoms of disease

an antihypertensive drug that blocks the formation of angiotensin II in the kidney, leading to relaxation of the arteries; promotes the excretion of salt and water by inhibiting the activity of the angiotensin converting enzyme; also used to treat congestive heart failure

a diuretic drug (trade name Diuril) used in the treatment of edema and hypertension

an antihypertensive (trade name Catapres) that can be administered orally or via transdermal patches

an antihypertensive drug (trade name Cardura) that works by relaxing blood vessels so that blood passes through them more easily; it is also used to treat benign prostatic hyperplasia

antihypertensive drug (trade name Wytensin) that reduces blood pressure by its effect on the central nervous system