Drug interactions
Carvedilol + Ethacrynic acid
Severity: Minor
Carvedilol and Ethacrynic acid: 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
Loop diuretics add to the blood pressure lowering effect of carvedilol and cause potassium and magnesium loss. This is commonly combined in heart failure but can cause hypotension and hypokalemia.
What this interaction means in plain words
Carvedilol and Ethacrynic acid 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; Ethacrynic acid belongs to Cardiovascular.
Why it happens
Additive hypotensive effect and diuretic-induced electrolyte loss.
What to do
Monitor blood pressure, renal function and serum electrolytes. Adjust diuretic dose if hypotension or hypokalemia occurs.
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 Carvedilol
Other interactions of Ethacrynic acid
Frequently asked questions
Can I take Carvedilol with Ethacrynic acid?
MediHelp rates the interaction as minor. Carvedilol and Ethacrynic acid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Loop diuretics add to the blood pressure lowering effect of carvedilol and cause potassium and magnesium loss. This is commonly combined in heart failure but can cause hypotension and hypokalemia.
How serious is the interaction between Carvedilol and Ethacrynic acid?
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, renal function and serum electrolytes. Adjust diuretic dose if hypotension or hypokalemia occurs.
What other medicines interact with Carvedilol?
MediHelp also lists interactions of Carvedilol with, for example, Amifostine, Amiodarone, Arformoterol. The full list is on the Carvedilol page.
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