Drug interactions
Brivaracetam + Zonisamide
Severity: Minor
Brivaracetam and Zonisamide: minor 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 antiseizure drugs commonly cause somnolence, dizziness and fatigue, so adverse CNS effects can add together. The combination is used in practice with careful titration.
What this interaction means in plain words
Brivaracetam and Zonisamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Brivaracetam belongs to Central Nervous System; Zonisamide belongs to Central Nervous System.
Why it happens
Additive CNS depressant effects (pharmacodynamic).
What to do
Titrate gradually and monitor for sedation, dizziness and ataxia. Counsel on driving.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Brivaracetam
Frequently asked questions
Can I take Brivaracetam with Zonisamide?
MediHelp rates the interaction as minor. Brivaracetam and Zonisamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Both antiseizure drugs commonly cause somnolence, dizziness and fatigue, so adverse CNS effects can add together. The combination is used in practice with careful titration.
How serious is the interaction between Brivaracetam and Zonisamide?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate gradually and monitor for sedation, dizziness and ataxia. Counsel on driving.
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.
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