Drug interactions
Bendamustine + Mexiletine
Severity: Moderate
Bendamustine and Mexiletine: 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
Bendamustine is partly metabolized by CYP1A2 to active metabolites, and mexiletine is a CYP1A2 inhibitor. Inhibition could alter exposure to the parent drug and its metabolites, with uncertain effect on efficacy or toxicity.
What this interaction means in plain words
Bendamustine and Mexiletine 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.
Bendamustine belongs to Oncology; Mexiletine belongs to Cardiovascular.
Why it happens
Mexiletine inhibits CYP1A2, which may change bendamustine metabolism.
What to do
Monitor for bendamustine toxicity, particularly myelosuppression, and for reduced response; consider an alternative if feasible.
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?
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Other interactions of Mexiletine
- Fezolinetant + Mexiletine Contraindicated
- Mexiletine + Pimozide Contraindicated
- Alosetron + Mexiletine Major
- Amiodarone + Mexiletine Major
- Clozapine + Mexiletine Major
- Cobicistat + Mexiletine Major
Other interactions of Bendamustine
Frequently asked questions
Can I take Bendamustine with Mexiletine?
MediHelp rates the interaction as moderate. Bendamustine and Mexiletine 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. Bendamustine is partly metabolized by CYP1A2 to active metabolites, and mexiletine is a CYP1A2 inhibitor. Inhibition could alter exposure to the parent drug and its metabolites, with uncertain effect on efficacy or toxicity.
How serious is the interaction between Bendamustine and Mexiletine?
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 for bendamustine toxicity, particularly myelosuppression, and for reduced response; consider an alternative if feasible.
What other medicines interact with Mexiletine?
MediHelp also lists interactions of Mexiletine with, for example, Fezolinetant, Pimozide, Alosetron. The full list is on the Mexiletine page.
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