Drug interactions
Arformoterol + Mefloquine
Severity: Moderate
Arformoterol and Mefloquine: 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 drugs can prolong the QT interval, and beta-agonists can also lower serum potassium. Together they may raise the risk of ventricular arrhythmias.
What this interaction means in plain words
Arformoterol and Mefloquine 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; Mefloquine belongs to Anti Parasitic.
Why it happens
Additive QT prolongation, with beta-agonist-induced hypokalemia.
What to do
Monitor ECG and potassium, especially in patients with cardiac disease. Avoid exceeding recommended arformoterol doses.
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 Mefloquine
- Arsenic trioxide + Mefloquine Contraindicated
- Dronedarone + Mefloquine Contraindicated
- Ibutilide + Mefloquine Contraindicated
- Levoketoconazole + Mefloquine Contraindicated
- Mefloquine + Nilotinib Contraindicated
- Mefloquine + Pimozide Contraindicated
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Mefloquine?
MediHelp rates the interaction as moderate. Arformoterol and Mefloquine 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 drugs can prolong the QT interval, and beta-agonists can also lower serum potassium. Together they may raise the risk of ventricular arrhythmias.
How serious is the interaction between Arformoterol and Mefloquine?
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 cardiac disease. Avoid exceeding recommended arformoterol doses.
What other medicines interact with Mefloquine?
MediHelp also lists interactions of Mefloquine with, for example, Arsenic trioxide, Dronedarone, Ibutilide. The full list is on the Mefloquine page.
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