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A List of Blood Pressure Medications

Introduction

High blood pressure can lead to many serious health problems, such as heart attack, heart failure, stroke, and kidney disease. Treating high blood pressure early is important in preventing these and other problems.

Dozens of different medications can help treat high blood pressure. These drugs are called antihypertensives. They’re divided into many different categories, each of which works differently and causes different side effects.

With so many options available, finding the best one for you may take some time and patience. Your doctor will work with you to find the best treatment plan for you, which may include one or more medications.

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Diuretics

Diuretics

Diuretics are some of the most commonly used drugs for treating high blood pressure. They help the kidneys get rid of excess water and sodium, or salt. This reduces the volume of blood that needs to pass through your blood vessels, which lowers your blood pressure.

There are three major types of diuretics: thiazide, potassium-sparing, and loop diuretics. Thiazide diuretics generally have fewer side effects than the others. This is especially true when they’re prescribed in the low doses that are generally used in treating early high blood pressure.

Examples of thiazide diuretics include:

Examples of potassium-sparing diuretics include:

Examples of loop diuretics include:

Examples of combination diuretics include:

Beta-blockers

Beta-blockers

Beta-blockers work by blocking the actions of chemicals in your body that stimulate your heart. This allows your heart to beat with less speed and force. Your heart pumps less blood through the blood vessels with each beat, so blood pressure decreases. Examples of these drugs include:

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ACE inhibitors

Angiotensin-converting enzyme (ACE) inhibitors

Side effects of blood pressure medications
Side effects vary depending on the type of blood pressure medication you take. However, certain side effects occur with many of these medications. These include headache, dizziness, tiredness, nausea, diarrhea, and constipation.

ACE inhibitors keep the body from making a hormone called angiotensin II, which causes blood vessels to narrow. These medications lower blood pressure by helping constricted blood vessels to expand and let more blood through. Examples of ACE inhibitors include:

ARBs

Angiotensin II receptor blockers (ARBs)

This class of drugs also protects the blood vessels from angiotensin II. In order to tighten blood vessels, angiotensin II must bind with a receptor site. ARBs prevent that from happening. As a result, blood pressure is lowered. Examples of ARBs include:

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Calcium channel blockers

Calcium channel blockers

Never stop taking your blood pressure medication without your doctor’s guidance. Stopping your medication suddenly could cause a spike in blood pressure. This could lead to a heart attack, stroke, or other dangerous heart problems.

To move, all muscles need calcium to flow in and out of the muscle cells. Calcium channel blockers help block calcium from entering the smooth muscle cells of the heart and blood vessels. This makes the heart beat with less force and helps blood vessels relax. As a result, blood pressure decreases. Examples of these drugs include:

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Alpha-blockers

Alpha-blockers

In certain situations, your body makes hormones called catecholamines. These hormones can bind to parts of cells called alpha receptors. When this occurs, your blood vessels narrow and your heart beats faster and with more force. These actions cause your blood pressure to rise.

Alpha-blockers work by blocking catecholamines from binding to alpha receptors. As a result, blood can flow through the blood vessels more freely, and your heart beats normally. This helps lower your blood pressure.

Examples of alpha-blockers include:

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Alpha-beta-blockers

Alpha-beta-blockers

Alpha-beta-blockers have a combined effect. They block the binding of catecholamine hormones to both alpha and beta receptors. Therefore, they can decrease the constriction of blood vessels like alpha blockers do. They also slow down the rate and force of the heartbeat like beta blockers do.

Examples of alpha-beta-blockers include:

Central agonists

Central agonists

These medications keep the brain from sending messages to the nervous system telling it to release catecholamines. As a result, the heart doesn’t pump as hard and blood flows more easily, lowering blood pressure.

Examples of central agonists include:

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Peripheral adrenergic inhibitors

Peripheral adrenergic inhibitors

This group of drugs works by blocking catecholamines. This prevents blood vessels from narrowing and lowers blood pressure. These medications tend to be less effective than other drugs and are generally used only if other medications aren’t effective. They’re often used in combination with another treatment. An example of a peripheral adrenergic inhibitor is:

Vasodilators

Vasodilators

Vasodilators relax the muscles in the walls of blood vessels, especially in small arteries called arterioles. This widens the blood vessels and allows blood to flow through them more easily. As a result, blood pressure falls.

Examples of vasodilators include:

Aldosterone receptor antagonists

Aldosterone receptor antagonists

Aldosterone receptor antagonists work by blocking a chemical called aldosterone. This action reduces the amount of fluids your body retains, which helps lower your blood pressure.

Examples of aldosterone receptor antagonists include:

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Direct renin inhibitors

Direct renin inhibitors

A newer type of blood pressure medication is called direct renin inhibitors (DRIs). These drugs block a chemical in your body called renin. This action helps widen your blood vessels, which lowers your blood pressure.

The only type of DRI that is currently available in the United States is:

Treatment plans

High blood pressure drug treatment plans

For most people, the first-choice medication for high blood pressure is a thiazide diuretic. For other people, a diuretic alone is not enough to control blood pressure. In these cases, a diuretic may be combined with a beta-blocker, ACE inhibitor, angiotensin II receptor blocker, or calcium channel blocker. Adding a second medication may lower your blood pressure more quickly than using a diuretic alone. Also, it allows you to take less of each medication, which may reduce side effects.

Combination drugs

If your doctor thinks you need more than one drug to manage your blood pressure, they may prescribe a combination medication. For instance, they may prescribe a beta-blocker with a diuretic, or an ARB with a calcium channel blocker. Using these combination medications may be more convenient than taking several different drugs each day.

Many combination medications to treat high blood pressure are available. Examples include:

Treating for multiple conditions

The type of blood pressure medication your doctor prescribes may depend on what other health problems you have. For instance, if you have coronary artery disease (CAD), your doctor may prescribe a beta-blocker. This is because a beta-blocker can lower your blood pressure and decrease your overall risk of death from CAD.

If you have diabetes, your doctor may choose an ACE inhibitor or an ARB. That’s because these drugs can help protect the kidneys from diabetic damage by lowering the blood pressure in your kidneys.

Takeaway

Talk with your doctor

High blood pressure is a serious condition that should be treated to prevent more severe health problems. Don’t worry if you’re confused by all of your medication options. Your doctor can tell you which drugs might work best for you. They can help put together a treatment plan to get your blood pressure under control.

Your doctor can also answer any questions you may have, which might include:

  • Do I need medication to control my blood pressure?
  • Am I at high risk of certain side effects from blood pressure medication?
  • Am I taking any other drugs that might interact with my blood pressure medication?
  • Would a combination blood pressure medication be a good option for me?
  • Do you recommend improved diet and exercise as a way to lower my blood pressure?
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Q&A

Q&A

  • Can exercise help lower my high blood pressure?
  • Yes, exercise is an excellent way to help lower your blood pressure. Of course, before you start any exercise program, be sure to talk to your doctor. With your doctor’s guidance, exercise can be a healthy way to help get your blood pressure under control. Exercise strengthens your heart and makes it work more efficiently. This means it won’t have to pump as hard, which leads to lower blood pressure.

    Other ways to help lower your blood pressure include following a healthy diet, eating less salt, and losing some extra weight. In some cases, people taking these steps have been able to lower their blood pressure enough that their doctor allowed them to stop taking their blood pressure medication.

    Talk to your doctor about putting together a plan of lifestyle changes to help you manage your blood pressure. In the meantime, check out these other tips to help lower your blood pressure.

    - Healthline Medical Team
  • Answers represent the opinions of our medical experts. All content is strictly informational and should not be considered medical advice.
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