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Drug interactions

Bedaquiline + Fluticasone-vilanterol

Severity: Moderate

Bedaquiline and Fluticasone-vilanterol: 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

Bedaquiline prolongs the QT interval and vilanterol may add to cardiac repolarization effects and lower potassium. Together they may raise the risk of torsade de pointes, especially alongside other QT-prolonging tuberculosis drugs.

What this interaction means in plain words

Bedaquiline and Fluticasone-vilanterol 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.

Bedaquiline belongs to Anti Bacterial; Fluticasone-vilanterol belongs to Respiratory.

Evidence level: Low

Why it happens

Additive QT prolongation and beta2-agonist-related hypokalemia and tachycardia.

What to do

Perform serial ECG monitoring during bedaquiline therapy and keep potassium, magnesium and calcium normal. Consider whether a non-LABA option is suitable.

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?

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 Fluticasone-vilanterol?

MediHelp rates the interaction as moderate. Bedaquiline and Fluticasone-vilanterol 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. Bedaquiline prolongs the QT interval and vilanterol may add to cardiac repolarization effects and lower potassium. Together they may raise the risk of torsade de pointes, especially alongside other QT-prolonging tuberculosis drugs.

How serious is the interaction between Bedaquiline and Fluticasone-vilanterol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Perform serial ECG monitoring during bedaquiline therapy and keep potassium, magnesium and calcium normal. Consider whether a non-LABA option is suitable.

What other medicines interact with Fluticasone-vilanterol?

MediHelp also lists interactions of Fluticasone-vilanterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Fluticasone-vilanterol page.

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