Drug interactions
Eslicarbazepine + Fesoterodine
Severity: Minor
Eslicarbazepine and Fesoterodine: minor 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
Eslicarbazepine is a weak CYP3A4 inducer and may modestly lower the exposure of the active metabolite of fesoterodine. The reduction in bladder symptom control is probably small.
What this interaction means in plain words
Eslicarbazepine and Fesoterodine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Eslicarbazepine belongs to Central Nervous System; Fesoterodine belongs to Genitourinary.
Why it happens
Weak induction of CYP3A4-mediated metabolism of the active metabolite of fesoterodine.
What to do
Assess symptom response of overactive bladder after starting eslicarbazepine. Titrate the fesoterodine dose if efficacy is reduced.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Fesoterodine
Other interactions of Eslicarbazepine
- Eslicarbazepine + Mavacamten Contraindicated
- Eslicarbazepine + Rilpivirine Contraindicated
- Artemether / lumefantrine + Eslicarbazepine Major
- Avapritinib + Eslicarbazepine Major
- Bedaquiline + Eslicarbazepine Major
- Benzhydrocodone / acetaminophen + Eslicarbazepine Major
Frequently asked questions
Can I take Eslicarbazepine with Fesoterodine?
MediHelp rates the interaction as minor. Eslicarbazepine and Fesoterodine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Eslicarbazepine is a weak CYP3A4 inducer and may modestly lower the exposure of the active metabolite of fesoterodine. The reduction in bladder symptom control is probably small.
How serious is the interaction between Eslicarbazepine and Fesoterodine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Assess symptom response of overactive bladder after starting eslicarbazepine. Titrate the fesoterodine dose if efficacy is reduced.
What other medicines interact with Fesoterodine?
MediHelp also lists interactions of Fesoterodine with, for example, Bethanechol, Clozapine, Levoketoconazole. The full list is on the Fesoterodine page.
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