Drug interactions
Brivaracetam + Cetirizine
Severity: Moderate
Brivaracetam 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
Brivaracetam commonly causes somnolence and dizziness, and cetirizine may add to drowsiness. Combined use can reduce alertness and coordination.
What this interaction means in plain words
Brivaracetam 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.
Brivaracetam belongs to Central Nervous System; Cetirizine belongs to Respiratory.
Why it happens
Additive CNS depressant effects.
What to do
Monitor for excess sedation and counsel on driving and machinery; consider a non-sedating antihistamine alternative.
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 Brivaracetam
Frequently asked questions
Can I take Brivaracetam with Cetirizine?
MediHelp rates the interaction as moderate. Brivaracetam 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. Brivaracetam commonly causes somnolence and dizziness, and cetirizine may add to drowsiness. Combined use can reduce alertness and coordination.
How serious is the interaction between Brivaracetam 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; consider a non-sedating antihistamine alternative.
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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