The potency of loop diuretics (inhibitors of sodium-potassium-chloride symport) can be expressed in furosemide equivalents.
Loop Diuretic
Relative Potency
Equivalent Dose
furosemide
1
1 mg
bumetanide
40
0.025 mg
ethacrynic acid
0.7
1.4 mg
piretanide
3
0.33 mg
torsemide
2 to 3
0.33 or 0.50 mg
A high dose of furosemide is 240 mg or more (according to O'Connor et al).
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Specialty: Pharmacology, clinical
ICD-10: ,
