Lab reference

Vancomycin Trough

Drug Levels

For education. Check every result.

Anatium is a study resource, not medical advice. Nothing here is a diagnosis, a prescription or a substitute for a clinician who has seen the patient. Check every number against a current local protocol before it touches anyone, and never act on a result you cannot reproduce yourself.

Reference range

Range10 to 20 mg/L

About

Vancomycin concentration immediately before the next dose, used to keep the drug effective without damaging the kidneys.

When it is low

Subtherapeutic: risk of treatment failure and resistance

When it is high

Nephrotoxicity risk, compounded by concurrent aminoglycosides, NSAIDs or contrast. AUC-guided dosing is now preferred over trough alone

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