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Dandruff (cont.)

Exams and Tests

Dandruff is generally fairly easy to diagnose. A medical professional can usually identify dandruff by looking at the rash and asking questions about how it appeared.

In rare instances, highly atypical cases may require more exams and tests including skin scrapings for, microscopic evaluation, and skin biopsies. A health care practitioner may scrape some scales off the rash and look at them under the microscope to make sure the rash is not caused by a fungus. A very small piece of skin may be taken (a biopsy) for microscopic examination to exclude other causes like psoriasis, lupus, and other skin diseases.

Other possible conditions that may have similar signs and symptoms are:

The four key features of dandruff are:

  • White skin flakes on any hair bearing parts of the body
  • Scaly skin by the eyebrows, ears, and nose
  • White flakes on clothes
  • Itchy or scaly scalp
Medically Reviewed by a Doctor on 8/13/2015

Patient Comments & Reviews

The eMedicineHealth doctors ask about Dandruff (Seborrhea):

Dandruff - Experience

Please describe your experience with dandruff.

Dandruff - Treatment

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Read What Your Physician is Reading on Medscape

Seborrheic Dermatitis »

Seborrheic dermatitis is a papulosquamous disorder patterned on the sebum-rich areas of the scalp, face, and trunk.

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