Drug interactions
Betaxolol + Chlorothiazide
Severity: Minor
Betaxolol and Chlorothiazide: 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
Thiazide diuretics are commonly combined with beta-blockers for additive blood pressure control. Thiazides can cause hypokalemia and may worsen glucose tolerance, and beta-blockers can mask hypoglycemia symptoms.
What this interaction means in plain words
Betaxolol and Chlorothiazide 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; Chlorothiazide belongs to Cardiovascular.
Why it happens
Additive antihypertensive effect; thiazide-induced metabolic changes are not offset by betaxolol.
What to do
Monitor blood pressure, serum potassium and glucose 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?
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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 Chlorothiazide
Frequently asked questions
Can I take Betaxolol with Chlorothiazide?
MediHelp rates the interaction as minor. Betaxolol and Chlorothiazide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Thiazide diuretics are commonly combined with beta-blockers for additive blood pressure control. Thiazides can cause hypokalemia and may worsen glucose tolerance, and beta-blockers can mask hypoglycemia symptoms.
How serious is the interaction between Betaxolol and Chlorothiazide?
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, serum potassium and glucose periodically.
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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