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Hypertension and Angiotensin II Receptor Blockers (ARBs)

Read more about Angiotensin II Receptor Blockers (ARBs).


Angiotensin II receptor blockers, also known as ARBs or angiotensin antagonists, may be prescribed to help control hypertension and related conditions.

Common ARBs include:

Effect of Angiotensin II Receptor Blockers (ARBs) on Hypertension

ARBs relax the blood vessels and lower blood pressure by shielding the blood vessels from angiotensin, a hormone that causes the blood vessels to constrict.

Side Effects and Warnings

Possible side effects of ARBs include:

  • Headache
  • Dizziness
  • Lightheadedness
  • Nasal congestion
  • Back and leg pain
  • Diarrhea
  • Heartburn

The general side effects in ARBs were similar to that of placebos in most studies. Like ACE inhibitors, they may have very rare, but severe side effects.