Id (Autoeczematization) Reaction: Initial Dermatitis was located between the patient's toes (Picture on left). Approximately one week later a more generalized puritic erruption arose on the the patient's chest (Picture on right). The precise etiology for this secondary process is unclear. Charlie Goldberg, M.D. - UCSD Catalog of Clinical Images #Clinical #Photo #Dermatology #SkinRash #Autoeczematization #UCSDH