Drug interactions
Azithromycin + Budesonide-formoterol
Severity: Moderate
Azithromycin and Budesonide-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
Azithromycin can prolong the QT interval, and formoterol may add to this and lower potassium. The risk is mainly relevant in patients with cardiac disease, electrolyte disturbances or other QT-prolonging drugs.
What this interaction means in plain words
Azithromycin and Budesonide-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.
Azithromycin belongs to Anti Bacterial; Budesonide-formoterol belongs to Respiratory.
Why it happens
Additive effects on cardiac repolarization.
What to do
Check ECG and correct potassium and magnesium in patients with QT risk factors. Consider a non-QT-prolonging antibiotic if risk is high.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Azithromycin and Budesonide-formoterol, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Budesonide-formoterol
Other interactions of Azithromycin
- Azithromycin + Cisapride Contraindicated
- Azithromycin + Domperidone Contraindicated
- Azithromycin + Dronedarone Contraindicated
- Azithromycin + Pimozide Contraindicated
- Azithromycin + Piperaquine Contraindicated
- Azithromycin + Thioridazine Contraindicated
Frequently asked questions
Can I take Azithromycin with Budesonide-formoterol?
MediHelp rates the interaction as moderate. Azithromycin and Budesonide-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. Azithromycin can prolong the QT interval, and formoterol may add to this and lower potassium. The risk is mainly relevant in patients with cardiac disease, electrolyte disturbances or other QT-prolonging drugs.
How serious is the interaction between Azithromycin and Budesonide-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: Check ECG and correct potassium and magnesium in patients with QT risk factors. Consider a non-QT-prolonging antibiotic if risk is high.
What other medicines interact with Budesonide-formoterol?
MediHelp also lists interactions of Budesonide-formoterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Budesonide-formoterol page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
