Drug interactions
Eslicarbazepine + Toremifene
Severity: Moderate
Eslicarbazepine and Toremifene: 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
Toremifene is metabolized mainly by CYP3A4, and inducers such as eslicarbazepine can reduce its steady-state concentrations. This may diminish the anticancer effect of toremifene.
What this interaction means in plain words
Eslicarbazepine and Toremifene 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.
Eslicarbazepine belongs to Central Nervous System; Toremifene belongs to Endocrine.
Why it happens
CYP3A4 induction by eslicarbazepine accelerates toremifene metabolism.
What to do
Prefer a non-inducing antiseizure drug when feasible. If the combination is needed, consider increasing the toremifene dose according to labeling and monitor clinical response.
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 Eslicarbazepine
- Eslicarbazepine + Mavacamten Contraindicated
- Eslicarbazepine + Rilpivirine Contraindicated
- Artemether / lumefantrine + Eslicarbazepine Major
- Avapritinib + Eslicarbazepine Major
- Bedaquiline + Eslicarbazepine Major
- Benzhydrocodone / acetaminophen + Eslicarbazepine Major
Other interactions of Toremifene
- Amiodarone + Toremifene Contraindicated
- Dronedarone + Toremifene Contraindicated
- Nilotinib + Toremifene Contraindicated
- Pimozide + Toremifene Contraindicated
- Quinidine + Toremifene Contraindicated
- Ribociclib + Toremifene Contraindicated
Frequently asked questions
Can I take Eslicarbazepine with Toremifene?
MediHelp rates the interaction as moderate. Eslicarbazepine and Toremifene 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. Toremifene is metabolized mainly by CYP3A4, and inducers such as eslicarbazepine can reduce its steady-state concentrations. This may diminish the anticancer effect of toremifene.
How serious is the interaction between Eslicarbazepine and Toremifene?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer a non-inducing antiseizure drug when feasible. If the combination is needed, consider increasing the toremifene dose according to labeling and monitor clinical response.
What other medicines interact with Eslicarbazepine?
MediHelp also lists interactions of Eslicarbazepine with, for example, Mavacamten, Rilpivirine, Artemether / lumefantrine. The full list is on the Eslicarbazepine page.
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