What is the role of infection in the etiology of atopic dermatitis (eczema)?

Updated: Aug 02, 2019
  • Author: Brian S Kim, MD, MTR, FAAD; Chief Editor: William D James, MD  more...
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Answer

The skin of patients with AD is colonized by S aureus. Clinical infection with S aureus often causes a flare of AD, and S aureus has been proposed as a cause of AD by acting as a superantigen. Similarly, superinfection with herpes simplex virus can also lead to a flare of disease and a condition referred to as eczema herpeticum.


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