Ethacrynic acid - Conversion Only loop diuretic without a sulfonamide substituent. Rarely used alternative in patients who have a hypersensitivity reaction to a typical loop diuretic. Furosemide 40 mg = Bumetanide 1 mg = Torsemide 20 mg = Ethacrynic acid 50 mg UCSD Internal Medicine @ucsdim #Ethacrynic #acid #Conversion #pharmacology #indications #diuretics #loop