Why Are Trough Levels Drawn For Vancomycin?

Why Are Trough Levels Drawn For Vancomycin? Optimal Trough Concentration for Complicated Infections Vancomycin serum trough concentrations of 15–20 mg/L are recommended to improve penetration, increase the probability of obtaining optimal target serum concentrations and improve clinical outcomes. When should trough levels be drawn? A trough level is drawn immediately before the next dose of