Drug interactions
Cenobamate + Cetirizine
Severity: Moderate
Cenobamate and Cetirizine: 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 fatigue, and cetirizine can add to drowsiness. The combination may impair alertness and coordination.
What this interaction means in plain words
Cenobamate and Cetirizine 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; Cetirizine belongs to Respiratory.
Why it happens
Additive CNS depressant effects from sodium channel and GABA-A modulation plus H1 antagonism.
What to do
Monitor for excess sedation and counsel on driving and machinery use. Consider a nonsedating antihistamine or dose reduction if impairment occurs.
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?
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Other interactions of Cetirizine
- Acrivastine + Cetirizine Moderate
- Amisulpride + Cetirizine Moderate
- Asenapine + Cetirizine Moderate
- Avapritinib + Cetirizine Moderate
- Benzhydrocodone / acetaminophen + Cetirizine Moderate
- Brexpiprazole + Cetirizine Moderate
Other interactions of Cenobamate
Frequently asked questions
Can I take Cenobamate with Cetirizine?
MediHelp rates the interaction as moderate. Cenobamate and Cetirizine 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 fatigue, and cetirizine can add to drowsiness. The combination may impair alertness and coordination.
How serious is the interaction between Cenobamate and Cetirizine?
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 excess sedation and counsel on driving and machinery use. Consider a nonsedating antihistamine or dose reduction if impairment occurs.
What other medicines interact with Cetirizine?
MediHelp also lists interactions of Cetirizine with, for example, Acrivastine, Amisulpride, Asenapine. The full list is on the Cetirizine page.
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