Early Diuresis Following Colorectal Surgery

Inclusion Criteria * All elective colorectal surgeries (CRS) utilizing the enhanced recovery pathway (ERP) * The surgery involves resection Exclusion Criteria Exclusion Criteria for Randomization: * Surgeries involving intraoperative radiation * Ileostomy closures, when performed as the only surgical intervention * Surgeries involving multiple disciplines (e.g., colorectal plus general surgery, colorectal plus gynecology surgery) except for colorectal surgeries plus ureteral stent placements. * Chronic loop diuretic therapy (i.e., bumetanide, torsemide, furosemide, ethacrynic acid) including as needed administration of such therapy * Patients receiving dialysis * Creatinine clearance, calculated by the Cockcroft-Gault equation, less than 30 mL/min. * Inpatient prior to surgery * Allergy to furosemide * Allergy to sulfa drugs if the allergy involves anaphylactic reaction * Lack of serum creatinine concentration within 3 months preceding the surgery AND diagnosis of chronic kidney disease Exclusion Criteria for Intervention (applies to both the intervention and control arm): * Patient's weight on postoperative day (POD) #1 and POD #2 is less than preoperative weight. * Blood pressure criteria: systolic blood pressure criteria less than 90 mmHg or greater than 30 mmHg below baseline on POD #1 and/or POD #2 immediately prior to administration of study drug. * Complications within 48 hours of surgery * Abscess (infected fluid collection, treated with CT drainage) * Leak (defined by CT drainage or reoperation) * Wound infection (treated with either antibiotics and/or open packing) * Bowel obstruction (treated with reoperation) * Reoperation * Hemorrhage * Weight change since admission on POD #1: \> 5 kg * Acute kidney injury on POD #1 and POD#2 defined as serum creatinine (SCr) increase ≥ 0.3 mg/dL or increase to ≥ 150% to 200% (1.5- to 2-fold) from baseline