Drug interactions
Sotalol + Vorinostat
Severity: Major
Sotalol and Vorinostat: 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
Vorinostat has been associated with QT prolongation, and sotalol strongly prolongs repolarization. Using them together may increase the risk of torsades de pointes.
What this interaction means in plain words
Sotalol and Vorinostat 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.
Sotalol belongs to Cardiovascular; Vorinostat belongs to Oncology.
Why it happens
Additive effects on cardiac repolarization; vorinostat's QT effect is not fully characterized.
What to do
Avoid if possible and choose an alternative. If used together, monitor ECG and correct electrolytes (potassium, magnesium).
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 Vorinostat
- Thioridazine + Vorinostat Contraindicated
- Amiodarone + Vorinostat Major
- Amisulpride + Vorinostat Major
- Anagrelide + Vorinostat Major
- Asenapine + Vorinostat Major
- Chlorpromazine + Vorinostat Major
Frequently asked questions
Can I take Sotalol with Vorinostat?
MediHelp rates the interaction as major. Sotalol and Vorinostat 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. Vorinostat has been associated with QT prolongation, and sotalol strongly prolongs repolarization. Using them together may increase the risk of torsades de pointes.
How serious is the interaction between Sotalol and Vorinostat?
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 and choose an alternative. If used together, monitor ECG and correct electrolytes (potassium, magnesium).
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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