Drug interactions
Donepezil + Oxcarbazepine
Severity: Minor
Donepezil and Oxcarbazepine: 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
Oxcarbazepine is a weak CYP3A4 inducer and may slightly reduce donepezil exposure. A clinically relevant loss of effect is uncommon.
What this interaction means in plain words
Donepezil and Oxcarbazepine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Donepezil belongs to Central Nervous System; Oxcarbazepine belongs to Central Nervous System.
Why it happens
Weak CYP3A4 induction by oxcarbazepine increases donepezil metabolism.
What to do
No routine adjustment is needed. Reassess cognition if response declines and titrate donepezil accordingly.
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 Donepezil
- Donepezil + Dronedarone Contraindicated
- Donepezil + Pimozide Contraindicated
- Donepezil + Thioridazine Contraindicated
- Donepezil + Vandetanib Contraindicated
- Amiodarone + Donepezil Major
- Amisulpride + Donepezil Major
Other interactions of Oxcarbazepine
- Cabotegravir + Oxcarbazepine Contraindicated
- Oxcarbazepine + Rilpivirine Contraindicated
- Artemether / lumefantrine + Oxcarbazepine Major
- Atazanavir + Oxcarbazepine Major
- Benzhydrocodone / acetaminophen + Oxcarbazepine Major
- Bictegravir + Oxcarbazepine Major
Frequently asked questions
Can I take Donepezil with Oxcarbazepine?
MediHelp rates the interaction as minor. Donepezil and Oxcarbazepine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Oxcarbazepine is a weak CYP3A4 inducer and may slightly reduce donepezil exposure. A clinically relevant loss of effect is uncommon.
How serious is the interaction between Donepezil and Oxcarbazepine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed. Reassess cognition if response declines and titrate donepezil accordingly.
What other medicines interact with Donepezil?
MediHelp also lists interactions of Donepezil with, for example, Dronedarone, Pimozide, Thioridazine. The full list is on the Donepezil page.
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