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Drug interactions

Brompheniramine + Perampanel

Severity: Moderate

Brompheniramine and Perampanel: 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

Perampanel commonly causes dizziness, somnolence and impaired coordination, and brompheniramine adds sedation. Together they may increase drowsiness, psychomotor impairment and fall risk.

What this interaction means in plain words

Brompheniramine and Perampanel 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; Perampanel belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive central nervous system depression from AMPA-receptor antagonism and H1 blockade.

What to do

Counsel on drowsiness and avoid driving or hazardous tasks. Prefer a non-sedating antihistamine in patients taking perampanel.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Brompheniramine with Perampanel?

MediHelp rates the interaction as moderate. Brompheniramine and Perampanel 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. Perampanel commonly causes dizziness, somnolence and impaired coordination, and brompheniramine adds sedation. Together they may increase drowsiness, psychomotor impairment and fall risk.

How serious is the interaction between Brompheniramine and Perampanel?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel on drowsiness and avoid driving or hazardous tasks. Prefer a non-sedating antihistamine in patients taking perampanel.

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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