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Cellulitis: What You Must Know about Warm, Red, and Swollen Skin

What Causes Cellulitis?
Similar to impetigo, another common skin infection, cellulitis is often caused by Streptococcus (“strep”) or Staphylococcus (“staph”) bacteria. These bacteria usually live on the skin of healthy people but can enter the body through a break in the skin. Where impetigo is a superficial skin infection, cellulitis occurs when the bacteria get into the deeper tissue under the skin and overgrow. Unlike impetigo, cellulitis is not contagious.

The Itchy, Crusty, or Blistered Skin of Impetigo: Advice on This Common Skin Condition.

Impetigo, Non-BullousImpetigo (em-pah-TY-go) is a common superficial bacterial infection of the skin that usually resolves itself within a matter of weeks. Often unsightly and itchy, it can be a miserable experience. Impetigo is more commonly associated with children (children 6 years old and younger are more likely to be infected), but it can occur in all ages.

What You See
There are two types of impetigo: blistering and non-blistering. Non-blistering impetigo is often characterized by:

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