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Drug interactions

Betaxolol + Hydrochlorothiazide-olmesartan

Severity: Minor

Betaxolol and Hydrochlorothiazide-olmesartan: 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 antihypertensive effect of olmesartan and hydrochlorothiazide, which is often intended but may cause hypotension or bradycardia. Potassium shifts are modest, and thiazides may impair glucose tolerance and mask some hypoglycemia symptoms with beta blockers.

What this interaction means in plain words

Betaxolol and Hydrochlorothiazide-olmesartan 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-olmesartan belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Additive blood pressure lowering through beta-adrenergic blockade, RAAS blockade and diuresis.

What to do

Monitor blood pressure and heart rate when combining or adjusting doses. Check potassium periodically.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Betaxolol with Hydrochlorothiazide-olmesartan?

MediHelp rates the interaction as minor. Betaxolol and Hydrochlorothiazide-olmesartan 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 antihypertensive effect of olmesartan and hydrochlorothiazide, which is often intended but may cause hypotension or bradycardia. Potassium shifts are modest, and thiazides may impair glucose tolerance and mask some hypoglycemia symptoms with beta blockers.

How serious is the interaction between Betaxolol and Hydrochlorothiazide-olmesartan?

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 and heart rate when combining or adjusting doses. Check potassium periodically.

What other medicines interact with Hydrochlorothiazide-olmesartan?

MediHelp also lists interactions of Hydrochlorothiazide-olmesartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-olmesartan page.

Full monographs, dosing and an interaction checker in the MediHelp app

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