Drug interactions
Carbamazepine + Cenobamate
Severity: Moderate
Carbamazepine and Cenobamate: 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
Cenobamate modestly reduces carbamazepine exposure, probably through CYP3A4 induction. Carbamazepine may also lower cenobamate levels, and both drugs cause CNS adverse effects such as dizziness and somnolence.
What this interaction means in plain words
Carbamazepine and Cenobamate 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.
Carbamazepine belongs to Central Nervous System; Cenobamate belongs to Central Nervous System.
Why it happens
Cenobamate induces CYP3A4, increasing carbamazepine clearance, while carbamazepine may induce cenobamate metabolism.
What to do
Monitor carbamazepine concentrations and seizure control and increase the dose if needed. Watch for dizziness, ataxia and sedation.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Carbamazepine and Cenobamate, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Carbamazepine
- Artemether / lumefantrine + Carbamazepine Contraindicated
- Cabotegravir + Carbamazepine Contraindicated
- Carbamazepine + Delamanid Contraindicated
- Carbamazepine + Dienogest / estradiol valerate Contraindicated
- Carbamazepine + Doravirine Contraindicated
- Carbamazepine + Elbasvir / grazoprevir Contraindicated
Other interactions of Cenobamate
Frequently asked questions
Can I take Carbamazepine with Cenobamate?
MediHelp rates the interaction as moderate. Carbamazepine and Cenobamate 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. Cenobamate modestly reduces carbamazepine exposure, probably through CYP3A4 induction. Carbamazepine may also lower cenobamate levels, and both drugs cause CNS adverse effects such as dizziness and somnolence.
How serious is the interaction between Carbamazepine and Cenobamate?
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 carbamazepine concentrations and seizure control and increase the dose if needed. Watch for dizziness, ataxia and sedation.
What other medicines interact with Carbamazepine?
MediHelp also lists interactions of Carbamazepine with, for example, Artemether / lumefantrine, Cabotegravir, Delamanid. The full list is on the Carbamazepine page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
