Secondary Bacterial Infections Complicating Preexisting Skin Lesions

1) Chronic Superficial Skin Ulcers

- a) decubitus ulcers (eg;bed sores ) --> stains based on regionally
- b) diabetic foot ulcers
- c) occupational ulcers
- d) varicose ulcers

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2) Groin and axilla lesions(Erythrasma ,Hidradenitis Suppurativa)

    - Erythrasma <-- Coryn.Minutissimum
    - Hidradantis Supprativa (pimples in axilla region) <-- unexplained plugging of apocrine glans

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3) Self-induced ulceration

<mark> Dermatitis artefacts</mark>
 - which can be infected to form prolonged ulcers of unknown cause

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4) Burns

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5) Traumatic lesions (e.g., abrasions, animal bites, insect bites)

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6) others