Seborrheic derm: The cause of seb derm is not known. Most people get seborrheic dermatitis to some extent. It is thought to be related to overgrowth of a yeast in hair follicles, called malassezia furfur. That is why we use antifungal shampoos to help control it. Seborrheic dermatitis flares commonly with season changes and stress. Severe seb derm needs to be evaluated for certain systemic conditions.
Answered 9/22/2013
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