Acute spreading subcutaneous inflammation and dermal infection – due to group A streptococci and Staphylococcus aureus.
Typically occurs when skin is broken.
Appears as erythema (ill defined border – spreading), oedema, pain, warmth – may also have fever, chills, elevated ESR rate, tender lymph nodes (regional lymphadenopathy),
Lab tests leucocytosis with probable shift to the left; culture (if draining) positive
Treatment – IV antibiotics, incision and drainage