Drug interactions
Betaxolol + Hydrochlorothiazide-telmisartan
Severity: Moderate
Betaxolol and Hydrochlorothiazide-telmisartan: 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
Both agents lower blood pressure, so combined use can produce additive hypotension and occasionally dizziness or bradycardia. Beta-blockers may also slightly raise potassium, offsetting the thiazide's potassium loss unpredictably.
What this interaction means in plain words
Betaxolol and Hydrochlorothiazide-telmisartan 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; Hydrochlorothiazide-telmisartan belongs to Cardiovascular.
Why it happens
Additive antihypertensive pharmacodynamic effects via RAAS blockade, diuresis and beta-adrenergic blockade, with minor beta-blocker effects on potassium shifts.
What to do
Monitor blood pressure, heart rate and serum potassium after starting or changing doses; adjust doses if symptomatic hypotension occurs.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Betaxolol and Hydrochlorothiazide-telmisartan, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Hydrochlorothiazide-telmisartan
- Aliskiren + Hydrochlorothiazide-telmisartan Contraindicated
- Dofetilide + Hydrochlorothiazide-telmisartan Contraindicated
- Hydrochlorothiazide-telmisartan + Sparsentan Contraindicated
- Aldesleukin + Hydrochlorothiazide-telmisartan Major
- Amifostine + Hydrochlorothiazide-telmisartan Major
- Amiloride + Hydrochlorothiazide-telmisartan 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-telmisartan?
MediHelp rates the interaction as moderate. Betaxolol and Hydrochlorothiazide-telmisartan 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. Both agents lower blood pressure, so combined use can produce additive hypotension and occasionally dizziness or bradycardia. Beta-blockers may also slightly raise potassium, offsetting the thiazide's potassium loss unpredictably.
How serious is the interaction between Betaxolol and Hydrochlorothiazide-telmisartan?
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, heart rate and serum potassium after starting or changing doses; adjust doses if symptomatic hypotension occurs.
What other medicines interact with Hydrochlorothiazide-telmisartan?
MediHelp also lists interactions of Hydrochlorothiazide-telmisartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-telmisartan page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
