Diagnosis is made clinically and on isolation of the bacteria from a throat swab. This disease results from the release of toxic substances by Streptococcus pyogenes. If it occurs, it is usually associated with Streptococcal throat infections. It is associated with a rash which appears as a diffuse red blush with many points of deeper red. Diagnosis is again made clinically and on isolation of the organism from a throat swab.
Treatment is penicillin.
Streptococcal pyoderma begins as a flat sore on the skin which then becomes fluid filled and develops pus and crusting. Diagnosis is made clinically and taking a swab of the sore. Treatment is with antibiotic therapy. Erysipelas is an acute infection of the skin. It is usually accompanied with chills and fever.