Drug interactions
Arformoterol + Dronedarone
Severity: Moderate
Arformoterol and Dronedarone: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Both can prolong the QT interval, and beta-agonists may also cause hypokalemia and tachycardia. This can increase the risk of ventricular arrhythmias.
What this interaction means in plain words
Arformoterol and Dronedarone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Arformoterol belongs to Respiratory; Dronedarone belongs to Cardiovascular.
Why it happens
Additive QT prolongation and beta-agonist-induced hypokalemia.
What to do
Monitor ECG and potassium, especially in patients with heart disease. Avoid exceeding the recommended arformoterol dose.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Dronedarone
- Adagrasib + Dronedarone Contraindicated
- Amiodarone + Dronedarone Contraindicated
- Arsenic trioxide + Dronedarone Contraindicated
- Artemether / lumefantrine + Dronedarone Contraindicated
- Atazanavir + Dronedarone Contraindicated
- Azithromycin + Dronedarone Contraindicated
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Dronedarone?
MediHelp rates the interaction as moderate. Arformoterol and Dronedarone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Both can prolong the QT interval, and beta-agonists may also cause hypokalemia and tachycardia. This can increase the risk of ventricular arrhythmias.
How serious is the interaction between Arformoterol and Dronedarone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG and potassium, especially in patients with heart disease. Avoid exceeding the recommended arformoterol dose.
What other medicines interact with Dronedarone?
MediHelp also lists interactions of Dronedarone with, for example, Adagrasib, Amiodarone, Arsenic trioxide. The full list is on the Dronedarone page.
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