Drug interactions
Azithromycin + Eribulin
Severity: Moderate
Azithromycin and Eribulin: 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, so the combination may increase the risk of arrhythmia. Eribulin labeling advises ECG monitoring in patients at risk.
What this interaction means in plain words
Azithromycin and Eribulin 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.
Azithromycin belongs to Anti Bacterial; Eribulin belongs to Oncology.
Why it happens
Additive QT prolongation.
What to do
Monitor ECG and keep potassium and magnesium within normal range during co-therapy.
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 Azithromycin
- Azithromycin + Cisapride Contraindicated
- Azithromycin + Domperidone Contraindicated
- Azithromycin + Dronedarone Contraindicated
- Azithromycin + Pimozide Contraindicated
- Azithromycin + Piperaquine Contraindicated
- Azithromycin + Thioridazine Contraindicated
Other interactions of Eribulin
Frequently asked questions
Can I take Azithromycin with Eribulin?
MediHelp rates the interaction as moderate. Azithromycin and Eribulin 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, so the combination may increase the risk of arrhythmia. Eribulin labeling advises ECG monitoring in patients at risk.
How serious is the interaction between Azithromycin and Eribulin?
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 keep potassium and magnesium within normal range during co-therapy.
What other medicines interact with Azithromycin?
MediHelp also lists interactions of Azithromycin with, for example, Cisapride, Domperidone, Dronedarone. The full list is on the Azithromycin page.
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