Hypertension, or high blood pressure, is classified based on systolic and diastolic blood pressure readings. There are several classes of antihypertensive drugs that are used to treat hypertension by different mechanisms such as relaxing blood vessels, reducing heart rate, or removing excess fluid from the body. The main classes include ACE inhibitors, angiotensin II receptor blockers, calcium channel blockers, beta blockers, alpha blockers, diuretics, and vasodilators. Each class works through different pathways such as inhibiting chemical constriction of arteries, blocking receptors, relaxing smooth muscles, or reducing heart workload and output.

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Antihypertensive Classification || Classification Of
Antihypertensive Drugs With Examples
dose4u.com/2022/09/Antihypertensive-Classification.html
What Is Hypertension?
Hypertension is basically another name of High Blood Pressure that is higher than the
normal value.It may changes throughout the day.
Normal blood pressure normally rangers from 120/80 but it may varies from person to
person.There is different classifications of Hypertension that can be categorized as:
Prehypertention:
Systolic Blood Pressure 120-139mmHg
Diastolic Blood Pressure 80-90mmHg
Stage 1 Hypertension:
Systolic Blood Pressure 140-149mmHg
Diastolic Blood Pressure 90-99mmHg
Stage 2 Hypertention:
Systolic Blood Pressure >160mmHg
Diastolic Blood Pressure >100mmHg
Antihypertensive Drugs Classifications

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Antihypertensives can be classified as:
ACE Inhibitors
Angiotensin II Receptor Blocker
Calcium Channel Blocker
Beta Blockers
Alpha Blockers
Diuretics
Combined Alpha And Beta Blockers
Central Agonists
Vasodilators
1. ACE Inhibitors:
Angiotensin is a chemical that narrows the arteries.ACE inhibitors usually
inhibit the formation of angiotensin that is responosible for narrowing the
arteries and relaxes the blood vessels.
Generics with Brands:
Captopril (Capoten)
Lisinopril (Zestril)
Benazepril hydrochloride (Lotensin)
Perindopril (Aceon)
Trandolapril (Mavik)
Ramipril (Altace)
2. Angiotensin II Receptor Blocker:
Also relaxes the blood vessels but it only inhibit the response not the
formation of angiotension chemical.
Generics with Brands:
Candesartan (Atacand)
Irbesartan (Avapro)
Losartan potassiun (Cozaar)
Telmisartan (Micardis)
Valsartan (Diovan)

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3. Calcium Channel Blocker:
They relaxes the smooth muscles of vessels bur some slows your heart
rate.
Generics with Brands:
Amlodipine besylate (Norvasc)
Diltiazem hydrochloride (Cardizem CD,SR)
Felodipine (Plendil)
Nicardipine (Cardene SR)
Verapamil hydrochloride (Calan SR)
Nifedipine (Adalat CC)
4. Beta Blockers:
Beta blockers reduces the heart rate by reducing its workload and the hearr outpit of
blood which reduces the blood pressure.
Generics with Brands:
Atenolol (Tenormin)
Acebutolol (Sectral)
Betaxolol (Kerlone)
Misoprolol tartrate (Lopressor)
Nadolol (Corgard)
Metoprolol succinate (Taprol XL)
Pindolol (Visken)
Propranolol hydrochloride (Inderal)
Timolol maleate (Blocadren)
4. Alpha Blockers:
These blockers reduces the resistance of the arteries,causing relaxation of vascular
walls.
Generics with Brands:
Dosazosin mesylate (Cardura)
Prazosin hydrochloride (Minipress)
Terazosin hydrochloride (Hytrin)
5. Diuretics:
It usually removes excess sodium and water from the body controlling blood
pressure.They are often used in combinations.
Generics with Brands:
Thiazide Diuretics:
Chlorthalidone (Hygroton)
Chlorthiazide (Diuril)
Indapamids (Lazol)
Metolazone (Mykrox)
Potassium Sparing Diuretics:
Spironolactone (Aldactone)

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Triamterene (Dyrenium)
Amiloride hydrochloride (Midamar)
Loop Diuretics:
Furosemide (Lasix)
Bumetanide (Bumex)
5. Combined Alpha And Beta Blockers:
They are used as iv drips for the patients of hypertensive crises.
Generics with Brands:
Carvedilol (Coreg)
Labetalol hydrochloride (Nirnodyne)
6. Central Agonists:
Decreases the blood vessels ability to contract or relax resulting in reduction of blood
pressure.
Generics with Brands:
Alpha methyldopa (Aldomet)
Clonidine hydrochloride (Catapres)
Guanfacine hydrochloride (Tenex)
7. Vasodilators:
Causes the muscles in the walls of the blood vessels to relax and dilate,this allows blood
to flow better.
Generics with Brands:
Minoxidil (Loniten)
Hydralazine hydrochloride (Apresoline)
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