Drug interactions
Artemether + Formoterol
Severity: Moderate
Artemether and Formoterol: 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
Artemether, usually given with lumefantrine, can prolong the QT interval, and formoterol can add to this effect and lower potassium. The combination may increase the risk of arrhythmia.
What this interaction means in plain words
Artemether and Formoterol 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.
Why it happens
Additive QT prolongation and beta-2 agonist induced hypokalemia.
What to do
Monitor ECG in patients with cardiac risk factors and correct electrolyte abnormalities before treatment.
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 Formoterol
- Adagrasib + Formoterol Major
- Amiodarone + Formoterol Major
- Amisulpride + Formoterol Major
- Amitriptyline + Formoterol Major
- Amoxapine + Formoterol Major
- Arformoterol + Formoterol Major
Frequently asked questions
Can I take Artemether with Formoterol?
MediHelp rates the interaction as moderate. Artemether and Formoterol 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. Artemether, usually given with lumefantrine, can prolong the QT interval, and formoterol can add to this effect and lower potassium. The combination may increase the risk of arrhythmia.
How serious is the interaction between Artemether and Formoterol?
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 risk factors and correct electrolyte abnormalities before treatment.
What other medicines interact with Formoterol?
MediHelp also lists interactions of Formoterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Formoterol page.
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