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Antihypertensives
Drugs for hypertension
8
Pharmacology
Undergraduate 4
03/16/2018

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Term
Propranolol 
Definition
trade name: Inderal
therapeutic class: Class II antidysrhythmic; antihypertensive
therapeutic use: Treatment of cardiac dysrhythmia, hypertension, angina, and migraine headaches, and for prevention of MI.
pharmacologic class: Beta-adrenergic antagonist (nonselective)
mechanism of action: Nonselective beta- adrenergic blocker, affecting beta1 receptors in the heart, and beta2 receptors in pulmonary and vascular smooth muscle; reduces heart rate, slows myocardial conduction velocity, and lowers blood pressure.
Term
Atenolol 
Definition
trade name: Tenormin
therapeutic class: Antianginal; antihypertensive
therapeutic use: Treatment of heart failure, hypertension, angina, and MI.
pharmacologic class: Selective beta1-adrenergic blocker
mechanism of action: Selectively blocks beta1- adrenergic receptors in the heart; slows heart rate and reduces contractility.
Term
Doxazosin 
Definition
trade name: Cardura
therapeutic class: Antihypertensive, treatment of benign prostatic hyperplasia (BPH)
therapeutic use: To treat hypertension; treatment of BPH
pharmacologic class: Alpha1-adrenergic blocker
mechanism of action: Selective for Alpha1-adrenergic receptors, thus causes vasodilation; also cause relaxation of smooth muscle around prostate gland
Term
Nifedipine 
Definition
trade name: Adalat
therapeutic class: Antihypertensive, treatment of angina
therapeutic use: To treat hypertension and variant or vasospastic angina
pharmacologic class: Calcium channel blocker
mechanism of action: Selectively blocks calcium channels in myocardial muscle and vascular smooth muscle
Term
Hydrochlorothiazide 
Definition
trade name: Microzide
therapeutic class: Antihypertensive, treatment of edema
therapeutic use: To treat hypertension with edema; also approved to treat heart failure, and nephrotic syndrome
pharmacologic class: Thiazide diuretic
mechanism of action: Decreases reabsorption of sodium in the kidney by inhibiting the sodium/chloride cotransporter in the distal tubule of the nephron
Term
Enalapril 
Definition
trade name: Vasotec
therapeutic class: Antihypertensive, treatment of heart failure
therapeutic use: To treat hypertension; treatment of heart failure
pharmacologic class: ACE inhibitor
mechanism of action: Inhibits conversion of angiotensin I to angiotensin II, a vasoconstrictor, and decreases production of aldosterone, resulting in decreased renal sodium reabsorption
Term
Losartan 
Definition
trade name:  Cozaar
therapeutic class: Antihypertensive
therapeutic use: Used alone or in combination therapy for treatment of hypertension; treatment of diabetic nephropathy.
pharmacologic class: Angiotensin II-receptor blocker (ARB).
mechanism of action: Selectively blocks angiotensin II receptors; blocks vasoconstriction, and release of aldosterone due to interruption of the renin-angiotensin-aldosterone system.
Term
Hydralazine 
Definition
trade name: Apresoline
therapeutic class: Antihypertensive, treatment of heart failure
therapeutic use: Treatment of hypertension that is refractory to other antihypertensives
pharmacologic class: Direct-acting vasodilator
mechanism of action: Relaxes arterial smooth muscle by inhibiting IP3 production
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