Drug interactions
Carvedilol + Chlorthalidone
Severity: Minor
Carvedilol and Chlorthalidone: 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
The combination provides additive blood pressure lowering and may be intended. Hypokalemia from chlorthalidone is not offset by carvedilol, and both drugs can affect glucose control.
What this interaction means in plain words
Carvedilol and Chlorthalidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Carvedilol belongs to Cardiovascular; Chlorthalidone belongs to Cardiovascular.
Why it happens
Additive antihypertensive effects through diuresis and combined beta and alpha-1 blockade.
What to do
Monitor blood pressure, heart rate and serum potassium. Check glucose in diabetic patients.
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 Chlorthalidone
Other interactions of Carvedilol
Frequently asked questions
Can I take Carvedilol with Chlorthalidone?
MediHelp rates the interaction as minor. Carvedilol and Chlorthalidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. The combination provides additive blood pressure lowering and may be intended. Hypokalemia from chlorthalidone is not offset by carvedilol, and both drugs can affect glucose control.
How serious is the interaction between Carvedilol and Chlorthalidone?
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, heart rate and serum potassium. Check glucose in diabetic patients.
What other medicines interact with Chlorthalidone?
MediHelp also lists interactions of Chlorthalidone with, for example, Amifostine, Atenolol-chlorthalidone, Candesartan-hydrochlorothiazide. The full list is on the Chlorthalidone page.
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