Rash, Reaction, or Red Flag?
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3. Typically manifesting with edema, pruritus, warmth, and tenderness, this lesion is usually associated with a history of recent trauma or pharyngitis followed by malaise, chills, and high fever. The lesion is usually raised with a clear line of demarcation at the edge.
Diagnosis: Erysipelas, an acute infection of the skin and subcutaneous tissue, is caused by beta-hemolytic streptococci invading tissues via a disruption to the skin barrier. Streptococcus strains are susceptible to penicillin and 99.5% are susceptible to clindamycin. Associated comorbidities in erysipelas include diabetes mellitus, as well as hypertension, chronic venous insufficiency, and other cardiovascular diseases.
For more information, see “Painful rash on face.” J Fam Pract. 2010;59(8):459-462.
