Drug interactions
Ethotoin + Vinorelbine
Severity: Moderate
Ethotoin and Vinorelbine: 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
Cytotoxic chemotherapy can lower anticonvulsant levels, and a similar effect is possible here. Subtherapeutic ethotoin may lead to breakthrough seizures. Mechanism and magnitude are not well established for this pair.
What this interaction means in plain words
Ethotoin and Vinorelbine 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.
Why it happens
Not well established; reduced absorption or altered metabolism of the anticonvulsant has been proposed.
What to do
Monitor seizure control and ethotoin levels during chemotherapy and adjust the dose as needed. Be aware that enzyme-inducing anticonvulsants may also reduce vinorelbine exposure.
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 Vinorelbine
Frequently asked questions
Can I take Ethotoin with Vinorelbine?
MediHelp rates the interaction as moderate. Ethotoin and Vinorelbine 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. Cytotoxic chemotherapy can lower anticonvulsant levels, and a similar effect is possible here. Subtherapeutic ethotoin may lead to breakthrough seizures. Mechanism and magnitude are not well established for this pair.
How serious is the interaction between Ethotoin and Vinorelbine?
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 seizure control and ethotoin levels during chemotherapy and adjust the dose as needed. Be aware that enzyme-inducing anticonvulsants may also reduce vinorelbine exposure.
What other medicines interact with Vinorelbine?
MediHelp also lists interactions of Vinorelbine with, for example, Adenovirus types 4 and 7 live, Apalutamide, Belatacept. The full list is on the Vinorelbine page.
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