Drug interactions
Betaxolol + Clonidine
Severity: Major
Betaxolol and Clonidine: 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 lower heart rate and blood pressure, so together they can cause marked bradycardia and hypotension. If clonidine is stopped while a beta-blocker continues, rebound hypertension can be exaggerated.
What this interaction means in plain words
Betaxolol and Clonidine 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; Clonidine belongs to Cardiovascular.
Why it happens
Additive effects of central sympatholysis and beta-blockade; unopposed alpha stimulation during clonidine withdrawal on beta-blockade.
What to do
Monitor heart rate and blood pressure. When stopping, withdraw the beta-blocker several days before gradually tapering clonidine.
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 Clonidine
- Acebutolol + Clonidine Major
- Amifostine + Clonidine Major
- Amiodarone + Clonidine Major
- Amoxapine + Clonidine Major
- Atenolol-chlorthalidone + Clonidine Major
- Atenolol + Clonidine Major
Frequently asked questions
Can I take Betaxolol with Clonidine?
MediHelp rates the interaction as major. Betaxolol and Clonidine 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 lower heart rate and blood pressure, so together they can cause marked bradycardia and hypotension. If clonidine is stopped while a beta-blocker continues, rebound hypertension can be exaggerated.
How serious is the interaction between Betaxolol and Clonidine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor heart rate and blood pressure. When stopping, withdraw the beta-blocker several days before gradually tapering clonidine.
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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