Drug interactions
Betaxolol + Hydrochlorothiazide-valsartan
Severity: Minor
Betaxolol and Hydrochlorothiazide-valsartan: 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
Betaxolol adds to the blood pressure lowering of valsartan and hydrochlorothiazide, which may be intended but can cause hypotension or bradycardia. Beta-blockers may slightly raise potassium, while the thiazide lowers it, so the net effect is small.
What this interaction means in plain words
Betaxolol and Hydrochlorothiazide-valsartan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Betaxolol belongs to Cardiovascular; Hydrochlorothiazide-valsartan belongs to Cardiovascular.
Why it happens
Additive antihypertensive effects with small opposing effects on serum potassium.
What to do
Monitor blood pressure, heart rate and serum potassium when starting or adjusting doses.
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 Hydrochlorothiazide-valsartan
- Aliskiren + Hydrochlorothiazide-valsartan Contraindicated
- Dofetilide + Hydrochlorothiazide-valsartan Contraindicated
- Hydrochlorothiazide-valsartan + Sparsentan Contraindicated
- Aldesleukin + Hydrochlorothiazide-valsartan Major
- Amifostine + Hydrochlorothiazide-valsartan Major
- Amiloride + Hydrochlorothiazide-valsartan Major
Other interactions of Betaxolol
- Acebutolol + Betaxolol Major
- Aldesleukin + Betaxolol Major
- Amifostine + Betaxolol Major
- Amiodarone + Betaxolol Major
- Atenolol-chlorthalidone + Betaxolol Major
- Atenolol + Betaxolol Major
Frequently asked questions
Can I take Betaxolol with Hydrochlorothiazide-valsartan?
MediHelp rates the interaction as minor. Betaxolol and Hydrochlorothiazide-valsartan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Betaxolol adds to the blood pressure lowering of valsartan and hydrochlorothiazide, which may be intended but can cause hypotension or bradycardia. Beta-blockers may slightly raise potassium, while the thiazide lowers it, so the net effect is small.
How serious is the interaction between Betaxolol and Hydrochlorothiazide-valsartan?
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, heart rate and serum potassium when starting or adjusting doses.
What other medicines interact with Hydrochlorothiazide-valsartan?
MediHelp also lists interactions of Hydrochlorothiazide-valsartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-valsartan page.
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