Skip to content

Drug interactions

Formoterol + Nilotinib

Severity: Major

Formoterol and Nilotinib: major interaction.

Last updated Sources: US FDA label

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

Nilotinib carries a boxed warning for QT prolongation and sudden death. Formoterol can add to QT effects and lower potassium, so concurrent use may further raise arrhythmia risk.

What this interaction means in plain words

Formoterol and Nilotinib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Formoterol belongs to Respiratory; Nilotinib belongs to Oncology.

Evidence level: Moderate

Why it happens

Additive QT prolongation, with beta-agonist induced hypokalemia amplifying risk.

What to do

Avoid if possible or use an alternative bronchodilator. If combined, monitor ECG closely and keep potassium and magnesium within normal range.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Formoterol and Nilotinib, 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.

References

Frequently asked questions

Can I take Formoterol with Nilotinib?

MediHelp rates the interaction as major. Formoterol and Nilotinib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Nilotinib carries a boxed warning for QT prolongation and sudden death. Formoterol can add to QT effects and lower potassium, so concurrent use may further raise arrhythmia risk.

How serious is the interaction between Formoterol and Nilotinib?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if possible or use an alternative bronchodilator. If combined, monitor ECG closely and keep potassium and magnesium within normal range.

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.

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.

Browse A–Z · Drug interactions

Get the app Sign in