A 16 month-old boy is brought to his physician by his mother complaining of severe itching all over his face. Her child couldn't sleep last night and he kept rubbing his face against bedding. He had the several episodes on the last six months and he relieved without any treatment but this time is more severe and shows skin changes on his face. The previous episodes were not related to any season or any specific food. When the physician asks his mother if she used any new lotion or shampoo for the boy, she answered 'no'. The boy is rubbing his face against his mother's clothes throughout the visit. Examination of his face shows dry and scaly patches over his cheeks. What is the most likely diagnosis of this boy's condition? A- Allergic contact dermatitis B- Atopic dermatitis C- Seborrheic dermatitis D- Scabies http://medical-usmle.com/?p=1044
