Southside Elementary School located in Blairs, Virginia - VA. Find Southside Elementary School test scores, student-teacher ratio, parent reviews and teacher stats. We're an independent nonprofit that provides parents with in-depth school quality information. Schools
The pathogenesis of erythema annulare centrifugum (EAC) is unknown, but it is probably due to a hypersensitivity reaction to a variety of agents, including drugs, arthropod bites, infections (bacterial, mycobacterial, viral, fungal, filarial), ingestion (blue cheese Penicillium), and malignancy.
In half of all cases of either erythema multiforme or erythema nodosum, the exact cause is not known. In other cases, a variety of causes may result in erythema. Erythema multiforme: 1  Infection, primarily from the herpes simplex virus (HSV).