Definition

Site	Term	Common Agents
Epidermis	Impetigo	SAUR, GAS
Upper Dermis	Erysipelas	GAS, other Streptococci

Epidermis/Dermis/ Subcutaneous	Cellulitis	As below
Hair Follicle	Folliculitis/furuncle/
carbuncle	Staphylococci
Lymph nodes	Lymphangitis	Streptococci

Hair-associated infections:

Risk Factors

Barrier Breakdown:
- PMHx Cellulitis
- Skin disorder (Eczema, scar, incision, trauma)
- Neuropathy (repetitive injury)
- IVDU
Local factors:
- Oedema
- Venous insufficiency
- Obesity
Immuosuppression;
- DHx: Immunosuppressives
- Diabetes
- Renal/Liver disease
- Alcoholism