Drug interactions
Brimonidine + Candesartan-hydrochlorothiazide
Severity: Minor
Brimonidine and Candesartan-hydrochlorothiazide: 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
Ophthalmic brimonidine has minimal systemic absorption and is unlikely to meaningfully affect candesartan-hydrochlorothiazide. Any hypotensive effect would be small.
What this interaction means in plain words
Brimonidine and Candesartan-hydrochlorothiazide 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; Candesartan-hydrochlorothiazide belongs to Cardiovascular.
Why it happens
Possible small additive hypotension from systemic alpha-2 agonism after absorption.
What to do
No action is generally required. Monitor blood pressure if symptoms of dizziness appear, especially in the elderly.
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 Candesartan-hydrochlorothiazide
- Aliskiren + Candesartan-hydrochlorothiazide Contraindicated
- Candesartan-hydrochlorothiazide + Dofetilide Contraindicated
- Candesartan-hydrochlorothiazide + Sparsentan Contraindicated
- Acemetacin + Candesartan-hydrochlorothiazide Major
- Amifostine + Candesartan-hydrochlorothiazide Major
- Amiloride + Candesartan-hydrochlorothiazide 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 Candesartan-hydrochlorothiazide?
MediHelp rates the interaction as minor. Brimonidine and Candesartan-hydrochlorothiazide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Ophthalmic brimonidine has minimal systemic absorption and is unlikely to meaningfully affect candesartan-hydrochlorothiazide. Any hypotensive effect would be small.
How serious is the interaction between Brimonidine and Candesartan-hydrochlorothiazide?
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 action is generally required. Monitor blood pressure if symptoms of dizziness appear, especially in the elderly.
What other medicines interact with Candesartan-hydrochlorothiazide?
MediHelp also lists interactions of Candesartan-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Candesartan-hydrochlorothiazide page.
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