By Gary M. White, MD

Erythema marginatum is a rare skin rash associated with Rheumatic fever. Rheumatic fever is a response to infection by group A beta-hemolytic Streptococcus (usually a pharyngiitis) and is characterized by the triad of fever, arthritis and carditis.


Erythematous, urticarial papules spread out to form patches, plaques and annular rings. They are usually asymptomatic. Subcutaneous nodules may also be a manifestation of rheumatic fever.


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