FDA label
What is ethacrynic acid used for?
The FDA-approved uses of ethacrynic acid, quoted from the Indications and Usage section of its DailyMed label.
Source: DailyMed SPL label file dated 2026-10-23. Publisher page
The FDA label says: “Ethacrynic Acid Tablets USP are indicated for treatment of edema when an agent with greater diuretic potential than those commonly employed is required.”
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Ethacrynic Acid, tablet
Indications and Usage, quoted from the label by Edenbridge Pharmaceuticals LLC. (ANDA205609). Cross-references to other label sections are left out.
Ethacrynic Acid Tablets USP are indicated for treatment of edema when an agent with greater diuretic potential than those commonly employed is required.
- Treatment of the edema associated with congestive heart failure, cirrhosis of the liver, and renal disease, including the nephrotic syndrome.
- Short-term management of ascites due to malignancy, idiopathic edema, and lymphedema.
- Short-term management of hospitalized pediatric patients, other than infants, with congenital heart disease or the nephrotic syndrome.
Intravenous ethacrynate sodium is indicated when a rapid onset of diuresis is desired, e.g., in acute pulmonary edema, or when gastrointestinal absorption is impaired or oral medication is not practicable.
Source: DailyMed label, set id de7c25a6-ed00-4ef3-883d-f8841f5dbd02, version 6, effective August 19, 2026. NDC 42799-405, one of 8 listings for this product.
Questions
What is ethacrynic acid used for?
The FDA label says: “Ethacrynic Acid Tablets USP are indicated for treatment of edema when an agent with greater diuretic potential than those commonly employed is required.”
What drug class is ethacrynic acid?
FDA lists ethacrynic acid in the Loop Diuretic established pharmacologic class.
Does this page cover off-label uses or dosing?
No. This page shows only the Indications and Usage section of the FDA label. Ask a pharmacist or prescriber about dosing.