Seborrheic dermatitis is non-contagious skin condition identified by greasy or dry, white scales. Dandruff and cradle cap are examples of seborrheic dermatitis. This form of dermatitis commonly involves the skin of the scalp, eyebrows, forehead, face, folds around the nose, behind ears and external ear canal. The skin of the trunk may also be involved, especially over the breastbone (sternum) or in the skin folds.
Causes of Dermatitis, Seborrheic
The exact cause of seborrheic dermatitis is unknown. It probably is influence by genetic and environmental factors.
Signs and Symptoms of Dermatitis, Seborrheic
Symptoms of seborrheic dermatitis include flaking, white scales over reddish patches on the skin. The scales appear to be anchored to the hair shafts. Frequently there is itching, however, pain does not occur unless the dermatitis reaction is complicated by infection.
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Medical Content Last Updated on 07/12/2008
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