br br Some bacteria live on normal skin and cause no harm, such as some Staphylococcus species, Corynebacterium spp., Brevibacterium spp and Acinetobacter . Propionibacteria live in the hair follicles of adult skin and contribute to acne. br br Some bacteria invade normal skin, broken skin from eczemadermatitis or wounds (causing wound infection). Bacteria, like viruses, may also sometimes result in exanthems (rashes). The most common bacteria to cause skin infections are: br br Staphylococcus aureus br Folliculitis br Furunculosis (boils) and abscesses br Impetigo (school sores) and ecthyma br Methicillin (meticillin) resistant Staph. aureus br Staphylococcal scalded skin syndrome br Toxic shock syndrome br Tropical pyomyositis br Botryomycosis (pyoderma vegetans) br Streptococcus pyogenes br Cellulitis br Erysipelas br Impetigo br Necrotising fasciitis br Infectious gangrene br Scarlet fever br Rheumatic fever, erythema marginatum br Overgrowth of Corynebacterium spp.