Id reaction or autoeczematization is an acute, generalized cutaneous reaction to a variety of stimuli including infectious and inflammatory skin conditions. Clinical and histopathological manifestations are variable and depend on the etiology of the eruption. Predilections according to race are unknown. Incidence rates associated with gender are unknown. Id reactions result from a variety of stimuli including infectious entities and inflammatory skin conditions.
Dermatological manifestations are variable and depend on the etiology of the eruption.
Id reactions associated with stasis dermatitis are usually symmetrical and involve the forearms, thighs, legs, trunk, face, hands, neck and feet in descending order of frequency. Id reactions are usually preceded by an exacerbation of the preexisting dermatitis, induced by infection, scratching, or inappropriate therapy. Reactions have been previously reported after x-ray treatment of tinea capitis. Vesicles may be present on the hands or feet. Fingers may be tender.