Exams and Tests
Your doctor can often recognize
psoriasis by looking at your skin, scalp, and nails.
Tests aren't usually needed. But one or more of the following tests may be done:
- Biopsy. If it is hard to diagnose the condition by looking at your skin, your doctor may remove a small skin sample and send it to a lab for analysis.
- X-rays. If you have joint pain, X-rays may be taken to look for psoriatic arthritis.
- Blood test. It can help rule out
other forms of arthritis.
- Throat culture. If your doctor thinks you may have guttate psoriasis, he or she may want to check for strep throat.
- KOH test. Sometimes this skin test is done to rule out a fungal infection.
Adam Husney, MD - Family Medicine
Amy McMichael, MD - Dermatology
January 9, 2012
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