Drug interactions
Dolasetron + Lenvatinib
Severity: Moderate
Dolasetron and Lenvatinib: moderate 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
Lenvatinib can prolong the QT interval and dolasetron has a similar effect. The combination may increase the risk of serious ventricular arrhythmias, especially with electrolyte disturbances.
What this interaction means in plain words
Dolasetron and Lenvatinib can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Dolasetron belongs to Gastrointestinal Tract; Lenvatinib belongs to Oncology.
Why it happens
Additive QT interval prolongation.
What to do
Monitor ECG closely and correct hypokalemia, hypomagnesemia and hypocalcemia. Use another antiemetic if QT concerns are significant.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dolasetron and Lenvatinib, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
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 Lenvatinib
- Amiodarone + Lenvatinib Major
- Amisulpride + Lenvatinib Major
- Asenapine + Lenvatinib Major
- Chlorpromazine + Lenvatinib Major
- Donepezil + Lenvatinib Major
- Haloperidol + Lenvatinib Major
Frequently asked questions
Can I take Dolasetron with Lenvatinib?
MediHelp rates the interaction as moderate. Dolasetron and Lenvatinib can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Lenvatinib can prolong the QT interval and dolasetron has a similar effect. The combination may increase the risk of serious ventricular arrhythmias, especially with electrolyte disturbances.
How serious is the interaction between Dolasetron and Lenvatinib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG closely and correct hypokalemia, hypomagnesemia and hypocalcemia. Use another antiemetic if QT concerns are significant.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
