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Drug interactions

Droperidol + Indacaterol

Severity: Major

Droperidol and Indacaterol: 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

Droperidol carries a boxed warning for QT prolongation and torsades de pointes. Indacaterol may add QT effects and reduce potassium, increasing the likelihood of serious ventricular arrhythmia.

What this interaction means in plain words

Droperidol and Indacaterol 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.

Evidence level: Moderate

Why it happens

Additive QT prolongation, with possible beta-agonist-induced hypokalemia.

What to do

Avoid the combination in patients with QT risk factors; otherwise obtain an ECG and correct potassium and magnesium before use.

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 Droperidol with Indacaterol?

MediHelp rates the interaction as major. Droperidol and Indacaterol 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. Droperidol carries a boxed warning for QT prolongation and torsades de pointes. Indacaterol may add QT effects and reduce potassium, increasing the likelihood of serious ventricular arrhythmia.

How serious is the interaction between Droperidol and Indacaterol?

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 the combination in patients with QT risk factors; otherwise obtain an ECG and correct potassium and magnesium before use.

What other medicines interact with Indacaterol?

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

Full monographs, dosing and an interaction checker in the MediHelp app

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