Polymyxin B (Poly-Rx); Antibacterial; Inj: 500,000 units
Powder for prescription compounding: 100 million units;
Continuous Bladder irrigation: 20 mg (200,000 units) added to 1 L of normal saline;
administration rate is adjusted to patient's urine output (max 1 L of irrigant per day).
Gut sterilization: 100,00-200,000 units/kg/day PO q6-8h using injectable solution orally.