What causes seborrheic dermatitis?

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

Malassezia organisms are probably not the cause of seborrheic dermatitis but a cofactor linked to a T-cell depression, increased sebum levels, and an activation of the alternative complement pathway. Various medications may also flare or induce seborrheic dermatitis. [2, 3]

See Clinical Presentation for more detail.


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