Drug interactions
Arformoterol + Hydroxychloroquine
Severity: Moderate
Arformoterol and Hydroxychloroquine: 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
Hydroxychloroquine prolongs the QT interval and long-acting beta-agonists such as arformoterol may add to this effect and lower potassium. The combination can increase arrhythmia risk, especially in patients with cardiac disease.
What this interaction means in plain words
Arformoterol and Hydroxychloroquine 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; Hydroxychloroquine belongs to Musculoskeletal.
Why it happens
Additive QT prolongation, with beta-2 agonist-induced hypokalemia and tachycardia.
What to do
Monitor ECG in patients with cardiac disease or other QT risk factors and check potassium when clinically indicated.
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 Hydroxychloroquine
- Arsenic trioxide + Hydroxychloroquine Contraindicated
- Cisapride + Hydroxychloroquine Contraindicated
- Dronedarone + Hydroxychloroquine Contraindicated
- Hydroxychloroquine + Pimozide Contraindicated
- Hydroxychloroquine + Thioridazine Contraindicated
- Hydroxychloroquine + Vandetanib Contraindicated
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Hydroxychloroquine?
MediHelp rates the interaction as moderate. Arformoterol and Hydroxychloroquine 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. Hydroxychloroquine prolongs the QT interval and long-acting beta-agonists such as arformoterol may add to this effect and lower potassium. The combination can increase arrhythmia risk, especially in patients with cardiac disease.
How serious is the interaction between Arformoterol and Hydroxychloroquine?
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 in patients with cardiac disease or other QT risk factors and check potassium when clinically indicated.
What other medicines interact with Hydroxychloroquine?
MediHelp also lists interactions of Hydroxychloroquine with, for example, Arsenic trioxide, Cisapride, Dronedarone. The full list is on the Hydroxychloroquine page.
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