Skip to content

Category: Drug reactions

Explore our medication guides and pharmacology articles within this category.

What is red man syndrome vancomycin? A guide to vancomycin infusion reaction

4 min read
Affecting between 5% and 50% of hospitalized patients receiving intravenous vancomycin, a vancomycin infusion reaction (VIR), also known as red man syndrome vancomycin, is a common but manageable adverse event. This anaphylactoid reaction, triggered by the drug's rapid infusion, causes distinct symptoms, including flushing and a pruritic rash.