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Drug interactions

Brimonidine + Selegiline transdermal

Severity: Moderate

Brimonidine and Selegiline transdermal: 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

Brimonidine is an alpha-2 agonist, and the labeling for MAO inhibitors advises against using such agents together because of possible effects on blood pressure and central activity. Systemic absorption from ophthalmic brimonidine is low, but the combination is cautioned.

What this interaction means in plain words

Brimonidine and Selegiline transdermal 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

Mechanism is not firmly established; possible altered catecholamine handling with MAO inhibition and alpha-2 agonist action.

What to do

Monitor blood pressure and heart rate if the combination is used. Consider an alternative glaucoma agent if hemodynamic changes occur.

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 Selegiline transdermal?

MediHelp rates the interaction as moderate. Brimonidine and Selegiline transdermal 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 is an alpha-2 agonist, and the labeling for MAO inhibitors advises against using such agents together because of possible effects on blood pressure and central activity. Systemic absorption from ophthalmic brimonidine is low, but the combination is cautioned.

How serious is the interaction between Brimonidine and Selegiline transdermal?

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 blood pressure and heart rate if the combination is used. Consider an alternative glaucoma agent if hemodynamic changes occur.

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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