Drug interactions
Brimonidine + Telmisartan
Severity: Minor
Brimonidine and Telmisartan: 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 can cause systemic hypotension and bradycardia after absorption, though ophthalmic use gives limited systemic exposure. Additive blood pressure lowering with telmisartan is possible but usually small.
What this interaction means in plain words
Brimonidine and Telmisartan 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; Telmisartan belongs to Cardiovascular.
Why it happens
Additive hypotensive effect of central alpha-2 agonism with angiotensin receptor blockade.
What to do
Monitor blood pressure if symptoms of dizziness or hypotension appear, especially in elderly patients.
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 Telmisartan
- Aliskiren + Telmisartan Contraindicated
- Sparsentan + Telmisartan Contraindicated
- Amifostine + Telmisartan Major
- Amiloride + Telmisartan Major
- Amlodipine-benazepril + Telmisartan Major
- Amlodipine-hydrochlorothiazide-valsartan + Telmisartan Major
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 Telmisartan?
MediHelp rates the interaction as minor. Brimonidine and Telmisartan 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 can cause systemic hypotension and bradycardia after absorption, though ophthalmic use gives limited systemic exposure. Additive blood pressure lowering with telmisartan is possible but usually small.
How serious is the interaction between Brimonidine and Telmisartan?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure if symptoms of dizziness or hypotension appear, especially in elderly patients.
What other medicines interact with Telmisartan?
MediHelp also lists interactions of Telmisartan with, for example, Aliskiren, Sparsentan, Amifostine. The full list is on the Telmisartan page.
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