Drug interactions
Cenobamate + Zonisamide
Severity: Moderate
Cenobamate and Zonisamide: 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
Both agents cause somnolence, dizziness and impaired coordination, so the combination can intensify these effects. This is relevant in adjunctive antiseizure regimens during titration.
What this interaction means in plain words
Cenobamate and Zonisamide 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 belongs to Central Nervous System; Zonisamide belongs to Central Nervous System.
Why it happens
Additive central nervous system depressant effects of two antiseizure drugs.
What to do
Titrate slowly and monitor for sedation, dizziness and cognitive slowing. Reduce the dose of one agent if adverse effects are troublesome.
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 Cenobamate and Zonisamide, 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 Zonisamide
- Zonisamide + Zuranolone Major
- Acetazolamide + Zonisamide Moderate
- Amisulpride + Zonisamide Moderate
- Amobarbital + Zonisamide Moderate
- Apalutamide + Zonisamide Moderate
- Asenapine transdermal + Zonisamide Moderate
Other interactions of Cenobamate
Frequently asked questions
Can I take Cenobamate with Zonisamide?
MediHelp rates the interaction as moderate. Cenobamate and Zonisamide 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. Both agents cause somnolence, dizziness and impaired coordination, so the combination can intensify these effects. This is relevant in adjunctive antiseizure regimens during titration.
How serious is the interaction between Cenobamate and Zonisamide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate slowly and monitor for sedation, dizziness and cognitive slowing. Reduce the dose of one agent if adverse effects are troublesome.
What other medicines interact with Zonisamide?
MediHelp also lists interactions of Zonisamide with, for example, Zuranolone, Acetazolamide, Amisulpride. The full list is on the Zonisamide 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.
