Localized inflammation of the dermis and hypodermis, red warm skin and painful to the touch.

University of Southern Mississippi

An infection that develops in the dermis or hypodermis can cause cellulitis, which presents as a reddened area of the skin that is warm to the touch and painful.

Cellulitis

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The causative agent is often *S. pyogenes*, which may breach the epidermis through a cut or abrasion, although cellulitis may also be caused by staphylococci.

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