angiotensin-receptor blocker
noun
variants
or angiotensin receptor blocker
or angiotensin II receptor blocker
: any of a class of drugs (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
James L. JanuzziThe newer angiotensin II receptor blockers also relax blood vessels.—Jane E. Allen
—abbreviation ARB
Jane E. AllenCite this Entry
“Angiotensin-receptor blocker.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/angiotensin-receptor%20blocker. Accessed 4 Nov. 2025.
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