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which blood pressure medicine is best

Diuretics (water pills). Your doctor might first suggest diuretics, which remove excess water and sodium from your body. That decreases the amount of fluid flowing through your blood vessels, which reduces pressure on your vessel walls.

There are three types of diuretics: thiazide, loop and potassium-sparing. The Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure recommends that most people try thiazide diuretics first to treat high blood pressure and heart problems related to high blood pressure.

If diuretics aren’t enough to lower your blood pressure, your doctor might recommend adding other blood pressure medications to your treatment.

Angiotensin-converting enzyme (ACE) inhibitors. These help relax blood vessels by preventing the formation of a hormone called angiotensin, a substance in your body that narrows blood vessels. Frequently prescribed ACE inhibitors include enalapril (Vasotec), lisinopril (Prinivil, Zestril) and ramipril (Altace).

Angiotensin II receptor blockers (ARBs). These help relax blood vessels by blocking the action, not the formation, of angiotensin, a chemical in your body that narrows blood vessels. ARBs include valsartan (Diovan), losartan (Cozaar) and others.

Calcium channel blockers. These medications prevent calcium from entering heart and blood vessel muscle cells, thus causing the cells to relax. Frequently prescribed calcium channel blockers include amlodipine (Norvasc), diltiazem (Cardizem, Tiazac, others) and nifedipine (Adalat CC, Afeditab CR, Procardia).