Drug interactions
Betaxolol + Labetalol
Severity: Major
Betaxolol and Labetalol: major 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 block beta receptors, so combined use duplicates therapy and increases the risk of bradycardia, hypotension, and AV block.
What this interaction means in plain words
Betaxolol and Labetalol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Betaxolol belongs to Cardiovascular; Labetalol belongs to Cardiovascular.
Why it happens
Additive beta-adrenergic blockade, with added alpha-1 blockade from labetalol.
What to do
Avoid the combination and use a single beta-blocker. If switching, taper one before starting the other and monitor heart rate and blood pressure.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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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 Labetalol
Frequently asked questions
Can I take Betaxolol with Labetalol?
MediHelp rates the interaction as major. Betaxolol and Labetalol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both agents block beta receptors, so combined use duplicates therapy and increases the risk of bradycardia, hypotension, and AV block.
How serious is the interaction between Betaxolol and Labetalol?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination and use a single beta-blocker. If switching, taper one before starting the other and monitor heart rate and blood pressure.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
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