Erysipelas and cellulitis are acute, spreading infections of dermal and subcutaneous tissues, characterized by a red, hot, tender area of skin, often at the site of bacterial entry, caused most frequently by group A β-hemolytic streptococci (erysipelas) or Staphylococcus aureus.
After entry, infection spreads to tissue spaces and cleavage planes as hyaluronidases break down polysaccharide ground substances, fibrinolysins digest fibrin barriers, lecithinases destroy cell membranes. Local tissue devitalization, e.g., trauma, is usually required to allow for significant anaerobic bacterial infection. The number of infecting organisms is usually small, suggesting that cellulitis may be more of a reaction to bacterial superantigens than to overwhelming tissue infection.
Symptoms include - Face -- red, usually glossy appearance; swollen, hot, may or may not have blisters. Pain . Fever. Chills. Feel ill.
Joke and Humors
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