Metoprolol vs. Carvedilol

See how Metoprolol and Carvedilol compare on approved uses, dosing, side effects, and cost.

Key Takeaways

  • Metoprolol is beta-1 selective and taken once daily, while carvedilol also blocks alpha-1 receptors and is typically taken twice daily as the immediate-release tablet.

  • Both drugs treat hypertension and heart failure, but only carvedilol carries FDA approval for left ventricular dysfunction after a heart attack.

  • Metoprolol tends to cost less than carvedilol's extended-release capsule, though generic immediate-release versions of both drugs are inexpensive.

Metoprolol vs. Carvedilol Drug Summary

Metoprolol

Metoprolol succinate is a beta-1 selective beta-blocker taken as a once-daily extended-release tablet. It is FDA-approved to treat hypertension, angina, and stable heart failure by slowing heart rate and easing the heart's workload. Doctors also prescribe it off-label for atrial fibrillation rate control, migraine prevention, and essential tremor.

Carvedilol

Carvedilol is a combined alpha- and beta-blocker most often taken as an immediate-release tablet twice daily with food, though an extended-release capsule allows once-daily dosing. It is FDA-approved for chronic heart failure, left ventricular dysfunction after a heart attack, and hypertension. The added alpha-1 blockade relaxes blood vessels on top of its heart-rate-slowing effect.

Metoprolol vs. Carvedilol Side Effects

Metoprolol

Most common
Hypotension (up to 27.4%)
Dizziness (about 10%)
Bradycardia (up to 15.9%)
Tiredness (about 10%)

Carvedilol

Most common
Hypotension (up to 14%)
Dizziness (up to 32%)
Fatigue (up to 24%)
Diarrhea (up to 12%)

Metoprolol vs. Carvedilol Dosage

Metoprolol

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 12.5 mg once daily Weeks 1-2
Maximum dose 400 mg once daily If needed
Dose changes 5 increases Every 2 weeks

Carvedilol

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 6.25 mg twice daily Weeks 1-2
Maximum dose 50 mg twice daily If needed
Dose changes 3 increases Every 2 weeks

Metoprolol vs. Carvedilol Indications

Metoprolol

Metoprolol succinate extended-release is FDA-approved for high blood pressure, chronic angina, and stable heart failure classified as NYHA Class II-IV. It works by blocking beta-1 receptors in the heart to slow heart rate and reduce the heart's oxygen demand. Off-label, clinicians also use it for atrial fibrillation rate control, migraine prevention, and essential tremor.

  • Hypertension, to lower blood pressure

  • Angina pectoris (chest pain)

  • Stable heart failure, NYHA Class II-IV

  • Off-label: atrial fibrillation rate control

Carvedilol

Carvedilol is FDA-approved for mild to severe chronic heart failure, left ventricular dysfunction following a heart attack, and hypertension. Its combined alpha-1 and beta blockade lowers blood pressure by relaxing blood vessels in addition to slowing the heart rate. It is not approved for acute decompensated heart failure or cardiogenic shock.

  • Mild to severe chronic heart failure

  • Left ventricular dysfunction after a heart attack

  • Hypertension, to lower blood pressure

  • Off-label: atrial fibrillation rate control

Metoprolol vs. Carvedilol Pros and Cons

Metoprolol

Metoprolol's beta-1 selectivity makes it a common choice for patients who also have asthma or COPD, since it carries a lower bronchospasm risk than non-selective beta-blockers like carvedilol. It has decades of use, once-daily dosing, and ranks among the least expensive beta-blockers.

Pros

  • Beta-1 selective, so lower bronchospasm risk in asthma or COPD

  • Once-daily extended-release dosing

  • Costs roughly $9 to $60 a month without insurance

  • No food restriction needed at dosing time

Cons

  • Not FDA-approved for left ventricular dysfunction after a heart attack

  • Lacks the alpha-1 blocking, vessel-relaxing effect carvedilol provides

  • Must be tapered gradually to avoid rebound chest pain or arrhythmia

Carvedilol

Carvedilol's combined alpha- and beta-blockade gives it a broader mechanism, with strong mortality-reduction data in chronic heart failure trials. Immediate-release dosing requires twice-daily administration with food, and the extended-release capsule can be considerably more expensive than generic metoprolol.

Pros

  • FDA-approved for left ventricular dysfunction after a heart attack

  • Added alpha-1 blockade directly relaxes blood vessels

  • Strong mortality-reduction evidence in chronic heart failure trials

  • Extended-release capsule option allows once-daily dosing

Cons

  • Immediate-release tablets must be taken twice daily with food

  • Extended-release capsules cost roughly $170 to $180 a month without insurance

  • More dose-dependent dizziness risk, up to 32% in trials

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