Carvedilol: study card

Carvedilol — Nonselective beta-blocker with alpha-1 blockade. Study the mechanism, listed uses and warnings from the US label on one sourced card.

Generic name
Carvedilol
Class
Nonselective beta-blocker with alpha-1 blockade
Mechanism
Racemic mixture: nonselective beta-blockade from the S(-) enantiomer and alpha-1 blockade from both enantiomers; no intrinsic sympathomimetic activity.
Used for
Mild-to-severe chronic heart failure of ischemic or cardiomyopathic origin, usually with other heart-failure medicines; Reduction of cardiovascular mortality in clinically stable survivors of acute myocardial infarction with LVEF at or below 40%; Essential hypertension
Common side effects
Dizziness; Fatigue; Hypotension; Bradycardia; Hyperglycemia
Warnings
Do not abruptly discontinue; Bronchial asthma / bronchospastic conditions; May mask hypoglycemia
Interactions
CYP2D6 inhibitors, rifampin; Digoxin, cyclosporine; Clonidine, reserpine, MAO inhibitors

Brand questions use only name pairings verified against the linked product source. Unverified pairings are withheld from these questions; the other study content remains available.

Drug class families: Beta-adrenergic blockers · Alpha-1 adrenergic blockers

Read the source label ↗

Label date: 20260804 · For learning, not clinical decisions. US label and brand information; always consult the current source.

Source snapshot checked: 2026-10-21. The source document and selected fields were compared. The complete card has not had an independent clinical review.

Pronunciation

Carvedilol: KAR-ve-dil-ol

Pronunciation is shown for the US English generic name.

Other drugs in the same class

Beta-adrenergic blockers: Atenolol, Propranolol, Nebivolol, Timolol maleate (ophthalmic)

Alpha-1 adrenergic blockers: Doxazosin, Terazosin, Labetalol, Tamsulosin

Body system

Cardiovascular · 47 Drug cards

Compare with related cards

Metoprolol

Same class family: Beta-adrenergic blockers

Mechanism: Beta-1 selective (cardioselective) adrenergic receptor blocker without intrinsic sympathomimetic activity; blocks beta-2 at higher levels.

On both cards: Common side effects — Dizziness; Bradycardia · Warnings — May mask hypoglycemia

Only on the Metoprolol card: Used for — Hypertension in adults; Long-term angina pectoris treatment to reduce attacks and improve exercise tolerance; Reduction of cardiovascular mortality in hemodynamically stable patients with definite or suspected acute myocardial infarction · Common side effects — Tiredness; Depression; Shortness of breath · Warnings — Abrupt cessation may worsen ischemia; Worsening heart failure · Interactions — Catecholamine-depleting drugs; CYP2D6 inhibitors; Digoxin, clonidine, diltiazem, verapamil

Doxazosin

Same class family: Alpha-1 adrenergic blockers

Mechanism: Selectively blocks postjunctional alpha-1 receptors, lowering urethral resistance and systemic vascular resistance.

On both cards: Common side effects — Dizziness; Fatigue; Hypotension

Only on the Doxazosin card: Used for — Benign prostatic hyperplasia (signs/symptoms); Hypertension · Common side effects — Malaise · Warnings — Postural hypotension / syncope; Intraoperative floppy iris syndrome; Screen for prostate cancer · Interactions — Strong CYP3A inhibitors; PDE-5 inhibitors

Atenolol

Same class family: Beta-adrenergic blockers

Mechanism: Beta-1 selective adrenergic blocker without membrane stabilizing or intrinsic sympathomimetic activity; selectivity lost at higher doses.

On both cards: Common side effects — Dizziness; Bradycardia

Only on the Atenolol card: Used for — Hypertension · Common side effects — Tiredness / fatigue; Cold extremities; Depression · Warnings — Contraindicated in sinus bradycardia, >1st-degree block; Contraindicated in cardiogenic shock / overt failure · Interactions — Catecholamine depletors (reserpine); Calcium channel blockers, disopyramide, amiodarone; Clonidine withdrawal

An item counts as shared only when both cards use the same wording. If a card does not list an item, that is not a statement that the effect never occurs.