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Erythema | |
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Characteristic "bull's eye" rash (erythema migrans) of early Lyme disease | |
Specialty | Dermatology |
Erythema (from Greek erythros 'red') is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries.[1] It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology include nervous blushes.[2]