Drug interactions
Cenobamate + Clemastine
Severity: Moderate
Cenobamate and Clemastine: 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 commonly causes somnolence, dizziness and impaired coordination, and a sedating antihistamine can worsen these effects. The combination may impair alertness and driving ability.
What this interaction means in plain words
Cenobamate and Clemastine 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; Clemastine belongs to Respiratory.
Why it happens
Additive CNS depression from cenobamate and central H1 receptor blockade by clemastine.
What to do
Monitor for excessive sedation, dizziness and falls, and consider a non-sedating antihistamine. Counsel the patient on driving and operating machinery.
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 Clemastine, 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 Clemastine
Other interactions of Cenobamate
Frequently asked questions
Can I take Cenobamate with Clemastine?
MediHelp rates the interaction as moderate. Cenobamate and Clemastine 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 commonly causes somnolence, dizziness and impaired coordination, and a sedating antihistamine can worsen these effects. The combination may impair alertness and driving ability.
How serious is the interaction between Cenobamate and Clemastine?
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 for excessive sedation, dizziness and falls, and consider a non-sedating antihistamine. Counsel the patient on driving and operating machinery.
What other medicines interact with Clemastine?
MediHelp also lists interactions of Clemastine with, for example, Alfentanil, Benzhydrocodone / acetaminophen, Buprenorphine buccal. The full list is on the Clemastine 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.
