Creatinine clearance* is ≥60 mL/min/1.73 m2
New-onset HF or no maintenance diuretic therapy
Initial IV dose**: Furosemide 20-40 mg 2-3 times daily.
Maintenance dose: Lowest diuretic dose that allows for clinical stability is the ideal dose.
Established HF or chronic oral diuretic therapy
Initial IV dose**: Furosemide bolus equivalent to oral dose.
Creatinine clearance* is <60 mL/min/1.73 m2
New-onset HF or no maintenance diuretic therapy
Initial IV dose**: Furosemide 20-80 mg 2-3 times daily.
Established HF or chronic oral diuretic therapy
Initial IV dose**: Furosemide bolus equivalent to oral dose.

* Creatinine clearance is calculated from the Cockroft-Gault or Modified Diet in Renal Disease formula.
** Intravenous continuous furosemide at doses of 5 to 20 mg/h is also an option.