Drug interactions
Ceritinib + Dolasetron
Severity: Major
Ceritinib and Dolasetron: major interaction.
Last updated Sources: US FDA label
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
Ceritinib causes dose-related QT prolongation, and dolasetron adds further prolongation. This increases the risk of torsades de pointes and sudden cardiac death.
What this interaction means in plain words
Ceritinib and Dolasetron 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.
Ceritinib belongs to Oncology; Dolasetron belongs to Gastrointestinal Tract.
Why it happens
Additive QT interval prolongation.
What to do
Avoid the combination and use an antiemetic with less QT effect. If unavoidable, monitor ECGs and electrolytes regularly.
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 Dolasetron
- Apomorphine + Dolasetron Contraindicated
- Dofetilide + Dolasetron Contraindicated
- Dolasetron + Ibutilide Contraindicated
- Dolasetron + Pimozide Contraindicated
- Dolasetron + Thioridazine Contraindicated
- Dolasetron + Vandetanib Contraindicated
Other interactions of Ceritinib
- Ceritinib + Cisapride Contraindicated
- Ceritinib + Eletriptan Contraindicated
- Ceritinib + Flibanserin Contraindicated
- Ceritinib + Pimozide Contraindicated
- Ceritinib + Thioridazine Contraindicated
- Ceritinib + Tolvaptan Contraindicated
Frequently asked questions
Can I take Ceritinib with Dolasetron?
MediHelp rates the interaction as major. Ceritinib and Dolasetron 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. Ceritinib causes dose-related QT prolongation, and dolasetron adds further prolongation. This increases the risk of torsades de pointes and sudden cardiac death.
How serious is the interaction between Ceritinib and Dolasetron?
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 and use an antiemetic with less QT effect. If unavoidable, monitor ECGs and electrolytes regularly.
What other medicines interact with Dolasetron?
MediHelp also lists interactions of Dolasetron with, for example, Apomorphine, Dofetilide, Ibutilide. The full list is on the Dolasetron page.
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