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Digoxin + Verapamil

INTERACTION STATUS
Potential interaction

The combination may require the dose, timing, or monitoring adjustments described below.

Digoxin
Verapamil
Clinical Summary

Caution advised when taking Digoxin with Verapamil; monitor for effects.

Important Considerations

Digoxin levels may increase when taken with Verapamil.

Risk of bradycardia and heart block may be exacerbated.

Monitoring of digoxin levels is recommended during concurrent use.

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Answer context

Evidence: Not yet assessed

Last reviewed: Review date unavailable.


Who this answer applies to

Situation details are not specified.

Scope and limitations
Evidence limitations

Limitations have not yet been documented. Personal history, exact amount and timing, other medicines, allergies, and local guidance may change the answer.

Medical Analysis
Mechanism

Verapamil is a calcium channel blocker that inhibits the metabolism and excretion of Digoxin, leading to increased plasma concentrations of Digoxin. This can result in enhanced pharmacological effects and a higher risk of toxicity due to Digoxin's narrow therapeutic index.

Clinical Impact & Risks

Increased risk of bradycardia, atrioventricular block, and Digoxin toxicity.

Management & Recommendations

Monitor heart rate and Digoxin levels closely. Adjust Digoxin dosage as necessary based on therapeutic response and toxicity signs.

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What to do now

Practical next steps, warning signs, and when to seek help.

Immediate steps

Medication safeguard: Do not start, stop, or change a prescribed medicine without the prescriber's direction. Follow the dose, timing, and monitoring guidance below. Scenario guidance: Monitor heart rate and Digoxin levels closely. Adjust Digoxin dosage as necessary based on therapeutic response and toxicity signs.

Warning signs

Scenario-specific warning signs have not been documented. For trouble breathing, collapse or unconsciousness, a seizure, or immediate danger, contact local emergency services or poison control now.

When to get help

Ask a pharmacist or prescriber for a personalized interaction check. For severe symptoms or immediate danger, contact local emergency services or poison control now.
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