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High Blood Pressure (Hypertension) Medications (cont.)

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Angiotensin II receptor blockers

The hormone angiotensin narrows blood vessels, but to do its job it needs a place to bind. That's where angiotensin II receptor blockers come in. They prevent angiotensin from binding to receptors on the blood vessels and that helps lower blood pressure. Angiotensin II receptor blockers include:

Calcium channel blockers

Calcium increases the strength and force of contractions in the heart and blood vessels. Blocking its entry into smooth muscle tissue reduces this effect. Calcium channel blockers lower blood pressure by relaxing blood vessels and reducing heart rate. Examples of calcium channel blockers include:

Medically Reviewed by a Doctor on 4/26/2016


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