How Often Should a Vanco Trough Be Drawn

Subsequent trough levels: o With dosage change: trough should be taken at new steady state* as described above. o Once target trough achieved: trough should be taken every 7-10 days in hemodynamically stable patients; may need more frequently if hemo-dynamically unstable, renal function changing, or patient is on …

How often should vancomycin trough levels be drawn?

Usually only vancomycin troughs are needed. Random levels may be obtained on patients with poor renal function who only receive intermittent or post-dialysis dosing. At minimum, levels should be obtained for all patients by 72 hours of therapy and at least weekly thereafter.

When do you repeat vancomycin trough?

Vancomycin levels should be repeated until there are two consecutive levels within target range. After this, vancomycin levels can be repeated every 3 days or whenever there is a significant change in bodyweight, serum creatinine or if the dose has been adjusted.