How is scabies diagnosed in the absence of typical clinical findings?

Updated: Oct 13, 2020
  • Author: Megan Barry, MD; Chief Editor: Dirk M Elston, MD  more...
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Answer

Clinically inapparent infection can be detected by amplification of Sarcoptes DNA in epidermal scale by polymerase chain reaction (PCR) assay. [4] In addition, elevated immunoglobulin E (IgE) titers and eosinophilia may be demonstrated in some patients with scabies.

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