Drug interactions
Brivaracetam + Ethotoin
Severity: Moderate
Brivaracetam and Ethotoin: 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 are antiseizure drugs that can cause drowsiness, dizziness and ataxia, so the effects may add together. Ethotoin is a hydantoin and may also have enzyme-inducing effects that could lower brivaracetam levels, though this is less established than for phenytoin.
What this interaction means in plain words
Brivaracetam and Ethotoin 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.
Why it happens
Additive CNS depression, with possible enzyme induction by the hydantoin.
What to do
Monitor for sedation, ataxia and seizure control, and adjust the brivaracetam dose to clinical response.
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 Brivaracetam
Frequently asked questions
Can I take Brivaracetam with Ethotoin?
MediHelp rates the interaction as moderate. Brivaracetam and Ethotoin 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 are antiseizure drugs that can cause drowsiness, dizziness and ataxia, so the effects may add together. Ethotoin is a hydantoin and may also have enzyme-inducing effects that could lower brivaracetam levels, though this is less established than for phenytoin.
How serious is the interaction between Brivaracetam and Ethotoin?
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 sedation, ataxia and seizure control, and adjust the brivaracetam dose to clinical response.
What other medicines interact with Brivaracetam?
MediHelp also lists interactions of Brivaracetam with, for example, Benzhydrocodone / acetaminophen, Sodium oxybate, Acetaminophen / phenyltoloxamine. The full list is on the Brivaracetam page.
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