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Angiotensin Receptor Blocker ARB

  • An angiotensin receptor blocker relaxes your blood vessels and allows your heart to pump easier (similar to ACE inhibitors). You would be prescribed an ARB if you cannot tolerate an ACE inhibitors (such as a cough).

    Frequently used angiotensin receptor blockers include:

    • losartan(Cozaar®)
    • valsartan(Diovan®)
    • candesartan(Atacand®)
    • irbesartan(Avapro®)
    • telmisartan(Micardis®).

    Side effects

    When you start taking an angiotensin receptor blocker, you may have an increased chance of retaining potassium. Call your health care provider if you have any of the following signs of high potassium:

    Important

    If you have any of the signs of too much potassium listed here, call your health care provider.


    • confusion
    • irregular heartbeat
    • nervousness
    • numbness or tingling in your hands, feet or lips
    • weakness or a heavy feeling in your legs.

    When to call your health care provider

    Call your health care provider if you have any of the following while taking an ARB:

    Important

    If you have any of the side effects listed here, call your health care provider.


    • dizziness/lightheadedness
    • fever
    • sore throat
    • hoarseness.

    Side effects that go away after use include:

    • headache
    • diarrhea
    • fatigue
    • nasal congestion
    • cough
    • back pain.

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