Drug interactions
Indacaterol + Nortriptyline
Severity: Major
Indacaterol and Nortriptyline: 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
Nortriptyline can prolong QT and cause tachycardia, and beta-2 agonists may potentiate these cardiovascular effects, raising arrhythmia risk.
What this interaction means in plain words
Indacaterol and Nortriptyline 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.
Indacaterol belongs to Respiratory; Nortriptyline belongs to Central Nervous System.
Why it happens
Additive QT prolongation and sympathomimetic cardiovascular effects.
What to do
Monitor ECG and heart rate, correct electrolytes, and consider an alternative to the tricyclic if QTc rises.
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?
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Other interactions of Indacaterol
Other interactions of Nortriptyline
- Disopyramide + Nortriptyline Contraindicated
- Dofetilide + Nortriptyline Contraindicated
- Dronedarone + Nortriptyline Contraindicated
- Ibutilide + Nortriptyline Contraindicated
- Isocarboxazid + Nortriptyline Contraindicated
- Methylene blue + Nortriptyline Contraindicated
Frequently asked questions
Can I take Indacaterol with Nortriptyline?
MediHelp rates the interaction as major. Indacaterol and Nortriptyline 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. Nortriptyline can prolong QT and cause tachycardia, and beta-2 agonists may potentiate these cardiovascular effects, raising arrhythmia risk.
How serious is the interaction between Indacaterol and Nortriptyline?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG and heart rate, correct electrolytes, and consider an alternative to the tricyclic if QTc rises.
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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