Drug interactions
Betaxolol + Olmesartan
Severity: Moderate
Betaxolol and Olmesartan: 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
The combination produces additive blood pressure lowering and may be used intentionally, but hypotension can occur early in therapy or with volume depletion. Both agents can modestly raise serum potassium.
What this interaction means in plain words
Betaxolol and Olmesartan 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.
Betaxolol belongs to Cardiovascular; Olmesartan belongs to Cardiovascular.
Why it happens
Additive antihypertensive effects, with angiotensin receptor blockade reducing aldosterone and beta-blockade impairing cellular potassium uptake.
What to do
Monitor blood pressure and serum potassium, especially in renal impairment or diabetes. Olmesartan should be avoided in pregnancy.
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 Betaxolol
- Acebutolol + Betaxolol Major
- Aldesleukin + Betaxolol Major
- Amifostine + Betaxolol Major
- Amiodarone + Betaxolol Major
- Atenolol-chlorthalidone + Betaxolol Major
- Atenolol + Betaxolol Major
Other interactions of Olmesartan
- Aliskiren + Olmesartan Contraindicated
- Olmesartan + Sparsentan Contraindicated
- Aldesleukin + Olmesartan Major
- Amifostine + Olmesartan Major
- Amiloride + Olmesartan Major
- Amlodipine-benazepril + Olmesartan Major
Frequently asked questions
Can I take Betaxolol with Olmesartan?
MediHelp rates the interaction as moderate. Betaxolol and Olmesartan 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. The combination produces additive blood pressure lowering and may be used intentionally, but hypotension can occur early in therapy or with volume depletion. Both agents can modestly raise serum potassium.
How serious is the interaction between Betaxolol and Olmesartan?
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 serum potassium, especially in renal impairment or diabetes. Olmesartan should be avoided in pregnancy.
What other medicines interact with Betaxolol?
MediHelp also lists interactions of Betaxolol with, for example, Acebutolol, Aldesleukin, Amifostine. The full list is on the Betaxolol page.
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