Drug interactions
Indacaterol + Procainamide
Severity: Moderate
Indacaterol and Procainamide: 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
Procainamide prolongs the QT interval and can cause torsades de pointes. Indacaterol may add to this risk through its cardiac effects and potassium lowering.
What this interaction means in plain words
Indacaterol and Procainamide 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.
Why it happens
Additive QT prolongation, with beta-agonist-induced hypokalemia as a possible contributor.
What to do
Monitor ECG and keep potassium and magnesium normal. Reduce the procainamide dose or reconsider therapy if QTc lengthens markedly.
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?
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Other interactions of Indacaterol
Frequently asked questions
Can I take Indacaterol with Procainamide?
MediHelp rates the interaction as moderate. Indacaterol and Procainamide 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. Procainamide prolongs the QT interval and can cause torsades de pointes. Indacaterol may add to this risk through its cardiac effects and potassium lowering.
How serious is the interaction between Indacaterol and Procainamide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG and keep potassium and magnesium normal. Reduce the procainamide dose or reconsider therapy if QTc lengthens markedly.
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.
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