Drug interactions
Atomoxetine + Bedaquiline
Severity: Major
Atomoxetine and Bedaquiline: major interaction.
Last updated Sources: UK SmPC
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 adding atomoxetine may increase the risk of dangerous arrhythmia. Multidrug-resistant tuberculosis regimens often include other QT-prolonging drugs, compounding the risk.
What this interaction means in plain words
Atomoxetine and Bedaquiline 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.
Atomoxetine belongs to Central Nervous System; Bedaquiline belongs to Anti Bacterial.
Why it happens
Additive QT prolongation.
What to do
Avoid if possible. If used, monitor ECG at baseline and regularly, and keep potassium, magnesium and calcium normal.
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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References
Other interactions of Atomoxetine
- Atomoxetine + Isocarboxazid Contraindicated
- Atomoxetine + Linezolid Contraindicated
- Atomoxetine + Phenelzine Contraindicated
- Atomoxetine + Procarbazine Contraindicated
- Atomoxetine + Rasagiline Contraindicated
- Atomoxetine + Selegiline Contraindicated
Other interactions of Bedaquiline
- Bedaquiline + Ziprasidone Contraindicated
- Alfuzosin + Bedaquiline Major
- Amiodarone + Bedaquiline Major
- Amisulpride + Bedaquiline Major
- Amitriptyline + Bedaquiline Major
- Amobarbital + Bedaquiline Major
Frequently asked questions
Can I take Atomoxetine with Bedaquiline?
MediHelp rates the interaction as major. Atomoxetine and Bedaquiline 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 prolongs the QT interval, and adding atomoxetine may increase the risk of dangerous arrhythmia. Multidrug-resistant tuberculosis regimens often include other QT-prolonging drugs, compounding the risk.
How serious is the interaction between Atomoxetine and Bedaquiline?
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 if possible. If used, monitor ECG at baseline and regularly, and keep potassium, magnesium and calcium normal.
What other medicines interact with Atomoxetine?
MediHelp also lists interactions of Atomoxetine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Atomoxetine page.
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