Snapshot A 5-month-old boy is brought to urgent care for a wet rash on his cheeks. His mother reports that he has been dealing with this rash for the past few weeks, though it has gotten much worse in the past few days. She has wrapped his hands in socks to prevent scratching, especially during sleep. Family history includes childhood asthma and eczema. On physical exam, his bilateral cheeks are erythematous with oozing papulovesicles and excoriations. The physician prescribes a topical corticosteroid. Introduction Clinical definition login to view 1 more bullet Epidemiology login to view 9 more bullets Etiology login to view 1 more bullet Pathogenesis login to view 2 more bullets Genetics login to view 4 more bullets Associated conditions login to view 11 more bullets Prognosis login to view 2 more bullets Presentation Symptoms login to view 3 more bullets Physical exam login to view 9 more bullets Studies Labs login to view 1 more bullet Biopsy login to view 4 more bullets Making the diagnosis login to view 1 more bullet Differential Seborrheic dermatitis Contact dermatitis Ichthyosis vulgaris Nutritional deficiency Treatment Conservative login to view 4 more bullets Medical login to view 25 more bullets Procedural login to view 7 more bullets Complications Secondary bacterial infection Eczema herpeticum