Drug interactions
Carvedilol + Metolazone
Severity: Minor
Carvedilol and Metolazone: 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 pair has additive antihypertensive effects and is commonly used together in heart failure and hypertension. Thiazide-like diuretics may cause hypokalemia and hyperglycemia, and carvedilol can mask hypoglycemia symptoms.
What this interaction means in plain words
Carvedilol and Metolazone 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; Metolazone belongs to Cardiovascular.
Why it happens
Additive blood pressure lowering; thiazide-induced metabolic changes may be relevant.
What to do
Monitor blood pressure, heart rate, serum potassium and 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 Metolazone
Other interactions of Carvedilol
Frequently asked questions
Can I take Carvedilol with Metolazone?
MediHelp rates the interaction as minor. Carvedilol and Metolazone 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 pair has additive antihypertensive effects and is commonly used together in heart failure and hypertension. Thiazide-like diuretics may cause hypokalemia and hyperglycemia, and carvedilol can mask hypoglycemia symptoms.
How serious is the interaction between Carvedilol and Metolazone?
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, serum potassium and glucose in diabetic patients.
What other medicines interact with Metolazone?
MediHelp also lists interactions of Metolazone with, for example, Amifostine, Amlodipine-hydrochlorothiazide-valsartan, Amlodipine-olmesartan-hydrochlorothiazide. The full list is on the Metolazone page.
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