BacterialDisI121_OLS

BacterialDisI121_OLS - Bacterial Pathogens of Humans Part I...

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Bacterial Pathogens of Humans Part I Infections caused by Staphylococcus aureus and Streptococcus pyogenes bacteria Folliculitis Bacterial agent: Staphylococcus aureus 1. Furuncle = Infected hair follicle or sweat gland (inflammation, sometimes abcess/boil) 2. Sty = Infected eyelash follicle 3. Carbuncle = surrounding tissue invaded, more severe Treatment : Topical antiseptic or antibiotic Prevention: Hygiene, Handwashing Scalded Skin Syndrome Bacterial agent: Staphylococcus aureus 1. Starts with skin lesion Certain S. aureus strains produce exfoliative toxin Exfoliative toxin enters bloodstream and spread throughout the body Skin turns bright red and peels off 2. Without intact skin patient is susceptible to secondary infections (cellulitis, bacterial blood infection) 3. Usually affects newborns, young children Treatment: Antibiotics ( S. aureus is often antibiotic resistant); Most survive when treatment begins quickly Prevention: Hygiene, Handwashing (care givers) Impetigo Bacterial agents: Staphylococcus aureus and/or Streptococcus pyogenes 1. Pustules that burst and scab over peeling skin and/or flaky, crusty scabs 2. Common in young children, highly communicable via pus 3. In rare circumstances, S. pyogenes can invade/spread thru body kidney injury, death 1
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BacterialDisI121_OLS - Bacterial Pathogens of Humans Part I...

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