Drug interactions
Brivaracetam + Fexofenadine
Severity: Minor
Brivaracetam and Fexofenadine: 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
Brivaracetam commonly causes somnolence and dizziness, while fexofenadine seldom does. Additive sedation is possible but likely slight.
What this interaction means in plain words
Brivaracetam and Fexofenadine 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; Fexofenadine belongs to Respiratory.
Why it happens
Possible additive CNS effects; no pharmacokinetic interaction is established.
What to do
No routine adjustment is needed. Advise caution with driving if drowsiness occurs.
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 Fexofenadine
- Danicopan + Fexofenadine Moderate
- Erdafitinib + Fexofenadine Moderate
- Fexofenadine + Glecaprevir / pibrentasvir Moderate
- Fexofenadine + Grapefruit Moderate
- Fexofenadine + Juice Moderate
- Acrivastine + Fexofenadine Minor
Other interactions of Brivaracetam
Frequently asked questions
Can I take Brivaracetam with Fexofenadine?
MediHelp rates the interaction as minor. Brivaracetam and Fexofenadine 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 commonly causes somnolence and dizziness, while fexofenadine seldom does. Additive sedation is possible but likely slight.
How serious is the interaction between Brivaracetam and Fexofenadine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed. Advise caution with driving if drowsiness occurs.
What other medicines interact with Fexofenadine?
MediHelp also lists interactions of Fexofenadine with, for example, Danicopan, Erdafitinib, Glecaprevir / pibrentasvir. The full list is on the Fexofenadine page.
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