Drug interactions
Brimonidine + Nortriptyline
Severity: Minor
Brimonidine and Nortriptyline: minor 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 that has some systemic absorption and can cause drowsiness, and tricyclic antidepressants may interfere with its effect. Ophthalmic use usually gives limited systemic exposure, so clinically relevant interaction is uncommon.
What this interaction means in plain words
Brimonidine and Nortriptyline have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Brimonidine belongs to Miscellaneous; Nortriptyline belongs to Central Nervous System.
Why it happens
Possible additive CNS depression; tricyclics may also blunt alpha-2 agonist effects.
What to do
No routine change is needed; counsel patients about drowsiness. Monitor intraocular pressure response if control worsens.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Nortriptyline
- Disopyramide + Nortriptyline Contraindicated
- Dofetilide + Nortriptyline Contraindicated
- Dronedarone + Nortriptyline Contraindicated
- Ibutilide + Nortriptyline Contraindicated
- Isocarboxazid + Nortriptyline Contraindicated
- Methylene blue + Nortriptyline Contraindicated
Other interactions of Brimonidine
- Brimonidine + Isocarboxazid Contraindicated
- Brimonidine + Linezolid Contraindicated
- Brimonidine + Phenelzine Contraindicated
- Brimonidine + Procarbazine Contraindicated
- Brimonidine + Rasagiline Contraindicated
- Brimonidine + Selegiline Contraindicated
Frequently asked questions
Can I take Brimonidine with Nortriptyline?
MediHelp rates the interaction as minor. Brimonidine and Nortriptyline have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Brimonidine is an alpha-2 agonist that has some systemic absorption and can cause drowsiness, and tricyclic antidepressants may interfere with its effect. Ophthalmic use usually gives limited systemic exposure, so clinically relevant interaction is uncommon.
How serious is the interaction between Brimonidine and Nortriptyline?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed; counsel patients about drowsiness. Monitor intraocular pressure response if control worsens.
What other medicines interact with Nortriptyline?
MediHelp also lists interactions of Nortriptyline with, for example, Disopyramide, Dofetilide, Dronedarone. The full list is on the Nortriptyline page.
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