300 Longwood Avenue Boston, MA 02115 (617) 355-6000 My Child Has: Seborrheic Dermatitis (Cradle Cap) Programs that treat this condition Dermatology Program   What is seborrheic dermatitis (cradle cap)? Also called cradle cap, seborrheic dermatitis in the infant is characterized by fine white scales. However, seborrheic dermatitis can also occur in the diaper area, face, neck, and trunk. Seborrheic dermatitis in this age group usually clears within the first year. What causes cradle cap? The exact cause of this skin condition is not known. What does cradle cap look like? The following are the most common signs and symptoms of cradle cap. However, each child may experience symptoms differently. Symptoms include dry or greasy scales on the scalp. How is cradle cap diagnosed? Cradle cap is usually diagnosed based on physical examination of your child. The rash involved with cradle cap is unique, and can usually be diagnosed simply on physical examination. Treatment for cradle cap: Specific treatment for cradle cap will be determined by your child's physician based on: your child's age, overall health, and medical history extent of the disease your child's tolerance for specific medications, procedures, or therapies expectations for the course of the disease your opinion or preference Although the condition responds to treatment, it may recur. Treatment is usually effective in helping symptoms and may include: special shampoo, as prescribed by your child's physician corticosteroid cream or lotion The information on this website should not be taken as medical advice, which can only be given to you by your personal health care professional. Copyright © Children's Hospital Boston. All rights reserved.