Dermatologic Findings in Patients Varying in Age, Sex, and Skin Color.

The immediate reaction to drugs, including the vancomycin infusion reaction, can present as erythema that can be confluent or blotchy, typically involving the head and neck but also the trunk, extremities, and palms or soles (Panels A through D) or urticaria that can be localized or diffuse (Panels E through H).