What is it?

A diffuse secondary eczema occurring due to a localized severe skin reaction such as caused by contact dermatitis, or tinea corporis.

What does it look like?

A widespread, symmetrical eczematous papules and plaques that occurs days to weeks following a localized dermatitis.

How is it treated?

Searching for and treating the primary skin problem is the first component of therapy. For mild to moderate involvement, topical corticosteroids can be sufficient and help control symptoms. If severe, a short course of prednisone or prednisolone for 1-2 weeks might be necessary.