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Is an ACE Inhibitor the Same As a Beta Blocker?

Angiotensin converting enzyme, or ACE, inhibitors and beta blockers are medications available by prescription only to treat heart conditions. Although prescribed to treat similar conditions, the mechanisms are different.

  1. Function

    • An ACE inhibitor functions by inhibiting the hormone called angiotensin II, which causes narrowing of blood vessels. Beta blockers act upon nerve impulses and reduce the heart beat causing blood pressure to decrease.

    Uses

    • ACE inhibitors are indicated for the treatment of hypertension (high blood pressure), scleroderma (connective tissue disease) and migraines. Also prescribed to treat hypertension and migraines, beta blockers is used to treat glaucoma.

    Benefits

    • A study performed by Dr. Paul Shekelle and colleagues and published in the Journal of the American College of Cardiology reported ACE inhibitors and beta blockers are effective in providing life-saving benefits in women, blacks and diabetics with heart failure.

    Side Effects

    • As with all medications, side effects are potential with these medications. ACE inhibitors side effects include cough, low blood pressure, dizziness and headache. While beta blockers can cause blurred vision, diarrhea, abdominal cramps, nausea and vomiting.

    Precautions

    • Beta blockers are generally not prescribed for individuals previously diagnosed with asthma, depression and congestive heart failure, according to MedicineNet.

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