medical Definition of angiotensin-receptor blocker
: any of a class of drugs (such as losartan and valsartan) that block the effects of angiotensin II by inhibiting access to a subset of its receptors and that are used especially in the treatment of hypertension
- Newer drugs called angiotensin-receptor blockers (ARBs) work in a way similar to the ACE inhibitors and have a very low side-effect profile …
- —James L. Januzzi, Newsweek, 3 Oct. 2005
- The newer angiotensin II receptor blockers also relax blood vessels.
- —Jane E. Allen, The Los Angeles Times, 22 July 2002
