Angiotensin-converting enzyme inhibitors and angiotensin receptor blockers are antihypertensive medicines used to treat high blood pressure. While the enzyme inhibitors work by reducing the level of angiotensin II in the body, the receptor blockers inhibit the function of angiotensin II by directly blocking the specific receptor. Image Credit: Shidlovski/Shutterstock.com How do angiotensin-converting enzyme inhibitors and