Drug interactions
Bedaquiline + Sotalol
Severity: Major
Bedaquiline and Sotalol: 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
Both drugs prolong the QT interval, and the combination increases the risk of torsades de pointes. The risk is greater with electrolyte disturbances, bradycardia or structural heart disease.
What this interaction means in plain words
Bedaquiline and Sotalol 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 belongs to Anti Bacterial; Sotalol belongs to Cardiovascular.
Why it happens
Additive QTc prolongation through cardiac repolarization effects.
What to do
Avoid the combination if possible; otherwise obtain baseline and serial ECGs and correct potassium, magnesium and calcium. Stop bedaquiline if QTc becomes markedly prolonged or ventricular arrhythmia develops.
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 Sotalol
- Arsenic trioxide + Sotalol Contraindicated
- Artemether / lumefantrine + Sotalol Contraindicated
- Disopyramide + Sotalol Contraindicated
- Dofetilide + Sotalol Contraindicated
- Dronedarone + Sotalol Contraindicated
- Droperidol + Sotalol 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 Bedaquiline with Sotalol?
MediHelp rates the interaction as major. Bedaquiline and Sotalol 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. Both drugs prolong the QT interval, and the combination increases the risk of torsades de pointes. The risk is greater with electrolyte disturbances, bradycardia or structural heart disease.
How serious is the interaction between Bedaquiline and Sotalol?
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 if possible; otherwise obtain baseline and serial ECGs and correct potassium, magnesium and calcium. Stop bedaquiline if QTc becomes markedly prolonged or ventricular arrhythmia develops.
What other medicines interact with Sotalol?
MediHelp also lists interactions of Sotalol with, for example, Arsenic trioxide, Artemether / lumefantrine, Disopyramide. The full list is on the Sotalol page.
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