Drug interactions
Brompheniramine + Cenobamate
Severity: Moderate
Brompheniramine and Cenobamate: 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 a sedating antihistamine can worsen these effects. Impaired alertness and coordination may result.
What this interaction means in plain words
Brompheniramine and Cenobamate 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.
Brompheniramine belongs to Respiratory; Cenobamate belongs to Central Nervous System.
Why it happens
Additive CNS depression from sodium channel and GABA-A modulation plus H1 blockade.
What to do
Monitor for excessive drowsiness and counsel on driving and machinery. Prefer a non-sedating antihistamine.
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 Brompheniramine
Other interactions of Cenobamate
Frequently asked questions
Can I take Brompheniramine with Cenobamate?
MediHelp rates the interaction as moderate. Brompheniramine and Cenobamate 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 a sedating antihistamine can worsen these effects. Impaired alertness and coordination may result.
How serious is the interaction between Brompheniramine and Cenobamate?
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 excessive drowsiness and counsel on driving and machinery. Prefer a non-sedating antihistamine.
What other medicines interact with Brompheniramine?
MediHelp also lists interactions of Brompheniramine with, for example, Alfentanil, Belladonna and opium, Benzhydrocodone / acetaminophen. The full list is on the Brompheniramine page.
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