Necrotizing fascitis

• life-threatening, progressive, rapidly spreading, inflammatory infection located inthe deep fascia.• infection rapidly destroy the skin and soft tissue beneath it• Also known as: flesh-eating bacteria.• Other names: β-hemolytic streptococcal gangrene, Meleney ulcer, acute dermalgangrene, hospital gangrene, and necrotizing cellulitis.• 3 types of NF.Type I : a polymicrobial flora.Type II : Group A β-Streptococcus bacteria (most common case)Type III : marine vibrio gram-negative rods.