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ICU TopicsInfection / pharmacology

ICU · Infection / pharmacology

Glycopeptides & Lipopeptides — Vancomycin, Teicoplanin, Daptomycin

Also known as Glycopeptide · Vancomycin · Teicoplanin · Daptomycin · Lipopeptide · Red man syndrome · AUC over MIC · MRSA · VRE · D-alanyl-D-alanine

The glycopeptides (the vancomycin, the teicoplanin) and the lipopeptides (the daptomycin) are the Gram-positive cover — the MRSA, the MRSE, the ampicillin-resistant enterococcus, and the VRE. The glycopeptides bind the D-alanyl-D-alanine terminus, the inhibit the cell-wall synthesis; the vancomycin is the AUC-over-MIC guided (the 400 to 600) and the oral route for the C. difficile. The adverse: the red-man syndrome (the histamine, NOT the allergy, the slow the infusion), the nephrotoxicity (the vanco-plus-the-pip-tazo AKI), the ototoxicity. The daptomycin (the lipopeptide) depolarises the cell membrane (the calcium-dependent); the Gram-positive including the VRE; the INACTIVATED by the pulmonary surfactant (NOT for the pneumonia — the vancomycin for the MRSA pneumonia); the myopathy (the CPK monitoring, consider holding statin); the eosinophilic pneumonia (the rare). The teicoplanin — the once-daily, the less nephro and the less red-man than the vancomycin.

high38 referencesUpdated 17 Aug 202629 min readSource-verified · Sept 2026

Checked against its sources on 2 Sept 2026

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Glycopeptides (vancomycin, teicoplanin) and the lipopeptide daptomycin are the Gram-positive armamentarium — MRSA, MRSE, ampicillin-resistant enterococcus and VRE. The glycopeptides bind the D-Ala-D-Ala terminus and starve the cell wall; vancomycin is dosed to an AUC/MIC of 400 to 600 (loaded 25 to 30 mg per kg) and given by mouth for C. difficile. Its signature harms are vancomycin infusion reaction — red-man syndrome (histamine, rate-related — slow the infusion, do not stop) and nephrotoxicity (the vancomycin-plus-piperacillin-tazobactam AKI). Daptomycin is a rapidly bactericidal lipopeptide active against Gram-positives including VRE — and is inactivated by pulmonary surfactant, so never for pneumonia; watch the CPK and, with a statin on board, consider holding it.

[1] [9] [10] [3] [14] [16] [32]

Meet the patient

A 64-year-old man returns from a week on haemofiltration with rigors, a swollen erythematous internal-jugular line site and a lactate of 3.1 mmol/L. Blood cultures drawn before antibiotics grow MRSA within 24 hours, vancomycin MIC 1 mg/L (the MIC the AUC/MIC 400-to-600 target assumes) — Staphylococcus aureus is a leading cause of bacteraemia and device-related infection, and eradication of the portal of entry is an essential of management. [5][24]

The fork that frames this whole topic is already on the drug chart: vancomycin or daptomycin? For a line-source bacteraemia you reach for AUC-guided vancomycin (or daptomycin, the randomised alternative); moment lung is the target you swap to vancomycin or linezolid — never daptomycin, because pulmonary surfactant silences it. Hold that fork and every section below falls into place. [1][14][31]

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References38ShowHide
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