ARB’s

Angiotensin II Receptor Blockers (ARBs) What are angiotensin receptor blockers, and how do they work? Angiotensin II is a very potent chemical that causes muscles surrounding blood vessels to contract, thereby narrowing blood vessels. This narrowing increases the pressure within the vessels and can cause high blood pressure (hypertension). Angiotensin II receptor blockers (ARBs) are…