Bumetanide and Ethacrynic acid interaction

Bumetanide and Ethacrynic acid: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Ethacrynic acid label · effective 2023-08-31

Major

Like other diuretics it may precipitate hepatic coma and death.

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Major

A number of possibly drug-related deaths have occurred in critically ill patients refractory to other diuretics.

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From the Bumetanide label · effective 2025-12-17

Moderate

Like other members of this class of diuretics, bumetanide probably shares this risk.

Warningsby drug classView label on DailyMed
Moderate

Antihypertensives Bumetanide may potentiate the effect of various antihypertensive drugs, necessitating a reduction in the dosage of these drugs.

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.