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Drug interactions

Asciminib + Moxifloxacin

Severity: Major

Asciminib and Moxifloxacin: major 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

Moxifloxacin and asciminib can each prolong the QT interval, so together they raise the risk of torsades de pointes. Patients with electrolyte abnormalities or heart disease are at higher risk.

What this interaction means in plain words

Asciminib and Moxifloxacin 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.

Asciminib belongs to Oncology; Moxifloxacin belongs to Anti Bacterial.

Evidence level: Moderate

Why it happens

Additive QT interval prolongation.

What to do

Avoid with asciminib 200 mg twice daily. At lower doses, use an alternative antibiotic if possible, otherwise monitor ECG and electrolytes.

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.

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Frequently asked questions

Can I take Asciminib with Moxifloxacin?

MediHelp rates the interaction as major. Asciminib and Moxifloxacin 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. Moxifloxacin and asciminib can each prolong the QT interval, so together they raise the risk of torsades de pointes. Patients with electrolyte abnormalities or heart disease are at higher risk.

How serious is the interaction between Asciminib and Moxifloxacin?

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 with asciminib 200 mg twice daily. At lower doses, use an alternative antibiotic if possible, otherwise monitor ECG and electrolytes.

What other medicines interact with Asciminib?

MediHelp also lists interactions of Asciminib with, for example, Clarithromycin, Dihydroergotamine, Ergotamine. The full list is on the Asciminib page.

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