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Drug interactions

Bedaquiline + Dasatinib

Severity: Major

Bedaquiline and Dasatinib: 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

Both agents can lengthen the QTc interval, and bedaquiline carries a labeled QT warning. The combination increases the risk of serious ventricular arrhythmia.

What this interaction means in plain words

Bedaquiline and Dasatinib 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.

Bedaquiline belongs to Anti Bacterial; Dasatinib belongs to Oncology.

Evidence level: Moderate

Why it happens

Additive pharmacodynamic QT prolongation.

What to do

Obtain a baseline ECG and monitor it regularly, keeping potassium, magnesium and calcium normal. Stop or reassess if QTc becomes markedly prolonged.

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 Bedaquiline with Dasatinib?

MediHelp rates the interaction as major. Bedaquiline and Dasatinib 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. Both agents can lengthen the QTc interval, and bedaquiline carries a labeled QT warning. The combination increases the risk of serious ventricular arrhythmia.

How serious is the interaction between Bedaquiline and Dasatinib?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and monitor it regularly, keeping potassium, magnesium and calcium normal. Stop or reassess if QTc becomes markedly prolonged.

What other medicines interact with Dasatinib?

MediHelp also lists interactions of Dasatinib with, for example, Saquinavir, Thioridazine, Adagrasib. The full list is on the Dasatinib page.

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