Erythema
（重定向自Erythemal）
![](/Images/godic/202501/11/Erythema_migrans_-_erythematous_rash_in_Lyme_disease_-_PHIL_98753506.jpg")
Erythema (from the Greek erythros, meaning red) is redness of the skin or mucous membranes, caused by hyperemia of superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology include nervous blushes.