What is the prevalence of seborrheic dermatitis?

Updated: Nov 13, 2020
  • Author: Marc Zachary Handler, MD; Chief Editor: William D James, MD  more...
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Answer

The prevalence rate of seborrheic dermatitis is 3-5%, with a worldwide distribution. In the United States alone, $300 million is spent annually on dandruff over-the-counter treatments. [27] Dandruff, the mildest form of this dermatitis, is probably far more common and is present in an estimated 15-20% of the population.


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