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An antihypertensive is a medicine used to lower high blood pressure. High blood pressure, or hypertension, can increase strain on the heart, blood vessels, kidneys, brain, and eyes. Antihypertensives work through different pathways, such as relaxing blood vessels, removing extra fluid, or slowing heart activity. They are prescription medicines and are often used with lifestyle changes.
read more about antihypertensive ...Blood pressure depends on blood vessel tightness, blood volume, heart rate, and hormone signals. Antihypertensives lower pressure by changing one or more of those factors. Some relax blood vessels, some help the kidneys remove salt and water, and some reduce the heart's workload. The medicine choice depends on the patient's health history and blood pressure pattern.
Antihypertensives are used when blood pressure stays above the treatment goal set by a clinician. They can reduce the risk of stroke, heart attack, heart failure, kidney damage, and other complications. Some patients need one medicine, while others need two or more medicines from different classes. Treatment plans can change based on home readings, office readings, lab results, side effects, and other conditions.
Common antihypertensive classes include diuretics, ACE inhibitors, angiotensin II receptor blockers, calcium channel blockers, beta blockers, alpha blockers, alpha-2 agonists, direct vasodilators, and renin inhibitors. Examples include hydrochlorothiazide, lisinopril, losartan, amlodipine, metoprolol, clonidine, hydralazine, and aliskiren. Some medicines are available in combination pills. Patients should check labels so they do not accidentally take duplicate ingredients.
Side effects vary by class but can include dizziness, fatigue, low blood pressure, electrolyte changes, kidney function changes, swelling, cough, slow heartbeat, or frequent urination. Blood tests can be needed for medicines that affect potassium, sodium, or kidney function. Blood pressure should be monitored because pressure that drops too low can cause falls or fainting. Seek care for chest pain, severe shortness of breath, fainting, stroke symptoms, facial swelling, or very low urine output.
Yes, antihypertensives are blood pressure medicines. They are used to lower high blood pressure and reduce pressure-related health risks.
No, antihypertensives control blood pressure but do not cure the underlying tendency toward hypertension. Ongoing treatment and monitoring are commonly needed.
Yes, some patients need more than one blood pressure medicine. Combining classes can lower pressure through different pathways, but the plan should come from a clinician.
Yes, dizziness can happen if blood pressure drops too low or changes quickly. Report fainting, severe weakness, or ongoing dizziness to the prescriber.
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