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Diagnosis of Rosacea

The doctor will ask about symptoms and medical and family history. A physical exam will be done that includes looking at the skin. How the rash looks is often enough to make the diagnosis.

Some people may be asked to see doctors who focus on skin or eye problems. There are no tests to diagnose rosacea. Some tests can help rule out other problems. The tests include:

  • Blood tests
  • Skin biopsy
  • Diagnosing rosacea will also mean figuring out what subtype a person has. Knowing that can help with treatment. There are 4 subtypes of rosacea:


    All about rosacea. National Rosacea Society website. Available at:

    Rosacea. EBSCO DynaMed website. Available at:

    Rosacea. DermNet New Zealand website. Available at:

    Rosacea: Diagnosis and treatment. American Academy of Dermatology website. Available at: