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Pityriasis rosea other diagnostic studies

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]

Other Diagnostic Tests

Other Diagnostic Tests

Rarely, the following tests are needed:

  • A blood test to be sure it is not a form of syphilis, which can cause a similar rash
  • A skin biopsy to confirm the diagnosis
References

References

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