2.5-5 mg/kg/day IV or IV infusion or IM in 2-4 divided doses depending upon the severity of the infection. Max: 5 mg/kg/day.
Normal renal function (0.7-1.2 mg/dL creatinine & 80-100% urea clearance) 100-150 bid-qid. Approx daily dose: 5 mg/kg. Total daily dose: 300 mg.
Mild renal impairment (1.3-1.5 mg/dL creatinine & 40-70% urea clearance) 75-115 mg bid. Approx daily dose: 2.5-3.8 mg/kg. Total daily dose: 150-230 mg.
Moderate renal impairment (1.6-2.5 mg/dL creatinine & 25-40% urea clearance) 66-150 mg once daily or bid. Approx daily dose: 2.5 mg/kg. Total daily dose: 133-150 mg.
Severe renal impairment (2.6-4 mg/dL creatinine & 10-25% urea clearance) 100-150 mg every 36 hr. Approx daily dose: 1.5 mg/kg. Total daily dose: 100 mg.