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.
- 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:
- Erythematotelangiectatic (subtype 1)—Flushing and lasting redness. This may or may not include blood vessels that can be seen.
- Papulopustular (subtype 2)—Lasting redness with bumps and/or pimples that come and go.
- Phymatous (subtype 3)—Skin gets thicker and there can be bumps on the nose, chin, forehead, cheeks, ears, or eyelids.
- Ocular (subtype 4)—Eye issues such as redness, watering, burning, or swelling eyelids (this can hurt the cornea and lead to vision loss).
A person can have more than one subtype of rosacea.
- All about rosacea. National Rosacea Society website. Available at: https://www.rosacea.org/patients/all-about-rosacea.
- Rosacea. EBSCO DynaMed website. Available at: http://www.dynamed.com/condition/rosacea.
- Rosacea. DermNet New Zealand website. Available at: https://www.dermnetnz.org/topics/rosacea.
- Rosacea: Diagnosis and treatment. American Academy of Dermatology website. Available at: https://www.aad.org/public/diseases/rosacea/treatment/diagnosis-treat.
- Nicole S. Meregian, PA
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