Erythema ring

Erythema annulare is a group of skin diseases characterized by annular or erythema erythema. It is not an independent disease, but a dermal inflammatory response caused by various reasons, that is, vascular dilatation and hyperemia or cell infiltration in the skin Performance. Usually includes simple erythema erythema, centrifugal ring erythema, lame erythema erythema, chronic migrating erythema, and rheumatic borderline erythema. Simple erythema erythema (erythema simplex guratum) is an allergic vascular response, more common in young women. Respiratory tract infections often occur before the onset or a few days before menstrual cramps. Erythema annulase centrifugum is an erythematous dermatosis characterized by eccentric enlargement to the surroundings, which is characterized by polycyclic lesions and scaly scales.

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