Drug interactions
Arformoterol + Chloroquine
Severity: Moderate
Arformoterol and Chloroquine: 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
Chloroquine prolongs the QT interval, and long-acting beta-agonists like arformoterol can prolong QTc and lower potassium. Combined use may increase risk of ventricular arrhythmias.
What this interaction means in plain words
Arformoterol and Chloroquine 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; Chloroquine belongs to Anti Parasitic.
Why it happens
Additive QT prolongation with beta-agonist-related hypokalemia.
What to do
Check ECG and electrolytes at baseline and monitor during co-therapy, especially with other QT-prolonging risk factors.
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 Chloroquine
- Chloroquine + Cisapride Contraindicated
- Chloroquine + Dofetilide Contraindicated
- Chloroquine + Dronedarone Contraindicated
- Chloroquine + Droperidol Contraindicated
- Chloroquine + Panobinostat Contraindicated
- Chloroquine + Pimozide Contraindicated
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Chloroquine?
MediHelp rates the interaction as moderate. Arformoterol and Chloroquine 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. Chloroquine prolongs the QT interval, and long-acting beta-agonists like arformoterol can prolong QTc and lower potassium. Combined use may increase risk of ventricular arrhythmias.
How serious is the interaction between Arformoterol and Chloroquine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check ECG and electrolytes at baseline and monitor during co-therapy, especially with other QT-prolonging risk factors.
What other medicines interact with Chloroquine?
MediHelp also lists interactions of Chloroquine with, for example, Cisapride, Dofetilide, Dronedarone. The full list is on the Chloroquine page.
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