Erythema

Erythema
Characteristic "bull's eye" rash (erythema migrans) of early Lyme disease
SpecialtyDermatology

Erythema (Ancient Greek: ἐρύθημα, from Greek erythros 'red') is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology include nervous blushes.

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