Drug interactions
Brimonidine + Lemborexant
Severity: Moderate
Brimonidine and Lemborexant: 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
Lemborexant is an orexin antagonist that can cause next-day somnolence. Brimonidine may add to drowsiness and impair alertness.
What this interaction means in plain words
Brimonidine and Lemborexant 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.
Brimonidine belongs to Miscellaneous; Lemborexant belongs to Central Nervous System.
Why it happens
Additive CNS depression from orexin receptor antagonism and alpha-2 agonism.
What to do
Counsel about next-day drowsiness and avoid driving if impaired. Use the lowest effective lemborexant dose.
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 Brimonidine
- Brimonidine + Isocarboxazid Contraindicated
- Brimonidine + Linezolid Contraindicated
- Brimonidine + Phenelzine Contraindicated
- Brimonidine + Procarbazine Contraindicated
- Brimonidine + Rasagiline Contraindicated
- Brimonidine + Selegiline Contraindicated
Other interactions of Lemborexant
Frequently asked questions
Can I take Brimonidine with Lemborexant?
MediHelp rates the interaction as moderate. Brimonidine and Lemborexant 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. Lemborexant is an orexin antagonist that can cause next-day somnolence. Brimonidine may add to drowsiness and impair alertness.
How serious is the interaction between Brimonidine and Lemborexant?
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 about next-day drowsiness and avoid driving if impaired. Use the lowest effective lemborexant dose.
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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