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Drug interactions

Brimonidine + Ethanol

Severity: Moderate

Brimonidine and Ethanol: 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

Alcohol depresses the central nervous system, and brimonidine may cause drowsiness. The combination may increase sedation and impair coordination and alertness.

What this interaction means in plain words

Brimonidine and Ethanol 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.

Evidence level: Low

Why it happens

Additive CNS depression from alcohol's GABAergic effects and alpha-2 agonism.

What to do

Advise patients to limit or avoid alcohol while using brimonidine and to avoid driving if drowsy.

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 Brimonidine with Ethanol?

MediHelp rates the interaction as moderate. Brimonidine and Ethanol 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. Alcohol depresses the central nervous system, and brimonidine may cause drowsiness. The combination may increase sedation and impair coordination and alertness.

How serious is the interaction between Brimonidine and Ethanol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to limit or avoid alcohol while using brimonidine and to avoid driving if drowsy.

What other medicines interact with Brimonidine?

MediHelp also lists interactions of Brimonidine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Brimonidine page.

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