Necrotizing fasciitis
This is an acute necrotizing infection of the skin ,subcuteanous tissues and superficial fascia ,it may involve muscle . Clinically there is soft erythema or dusky appearance with severe pain . Risk factors are diabetes , advanced age ,obesity and intercurrent illness . It is often a mixed infection with
streptococcal pyogenes ,anaerobes and coliforms , It requires aggressive surgical debirdement as well as antibiotics (covering anaerobes , gram negatives , and streptococci (Clindamycin may have benefit in inhibiting production of sterptococcal toxins ) Fournier's gangrene is a type of necrotizing fasciitis involving the male genitalia
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