Vancomycin Nomogram

Vancomycin Loading Dose Maximum 2,000 mg
Total Body Weight (kg)	Cachectic (<90% IBW)	Average (90–130% IBW)	Obese (>130% IBW)

Age years

Male/ Female

Height in TBW kg

IBW kg

Male IBW = 50 kg + 2.3 (inches over 60)

Female IBW = 45.5 + 2.3 (inches over 60)

Cachectic / Average / Obese—

Cachectic (<90% IBW); Average (90–130% IBW); Obese (>130% IBW)

SCr mg/dL BUN mg/dL

BUN:SCr Ratio —

CrCl —mL/min

Modified Cockcroft-Gault

CrCl male = 140 − ageSCrCrCl female = 0.85 × CrCl male

Age Rule (Use if SCr <1.0)CrCl = 140 − age

Loading Dose —

Maintenance Dose —

Interval —

Enter patient values to fill the chart.

Special Populations to extend initial dosing interval to next longest.

Loading Dose GivenDate Time 24-hour time

First Maintenance Dose Due—

Trough Due—

30 minutes before the 3rd maintenance dose.

Target trough: 10–20 mcg/mL.