Diuretics rid the body of excess fluids and salt (sodium). Because this high blood pressure medicine works in the kidneys and flushes excess water and sodium from the body, diuretics are sometimes called "water pills."
Some examples of diuretics used as blood pressure medicine include:
Angiotensin II receptor blockers (ARBs) are newer blood pressure medicines that protect your blood vessels from angiotensin II. As a result, with this type of high blood pressure medicine, the blood vessels relax and become wider, and your blood pressure goes down.