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Psoriasis Health Center

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Tests to Diagnose Psoriasis

In most cases, your primary care doctor or dermatologist will be able to diagnose psoriasis by examining your skin. However, since psoriasis can look like eczema and other skin diseases, diagnosing it can sometimes be difficult.

If your doctor isn't sure whether you have psoriasis, he or she may order a biopsy. Your doctor will remove a small sample of your skin and have it looked at under a microscope.

Recommended Related to Psoriasis

How to Prevent Psoriasis Flare-Ups

Anne Jeffres, 41, an acupuncturist in New York, was in the midst of a stressful time at work when she noticed her scalp was flaking. Her fingers became inflamed; her nails were brittle and pitted. The mild psoriasis she once had as a child had returned in full force. "The flare-up was bad enough that I lost patches of hair on my head," Jeffres says. "Psoriasis is a lifelong disease" that's mainly inherited, explains Erin Boh, MD, PhD, professor and chair of the dermatology department at Tulane University...

Read the How to Prevent Psoriasis Flare-Ups article > >

If you have symptoms of psoriatic arthritis, such as swollen and painful joints, your doctor might run blood tests and take X-rays to rule out other forms of arthritis.

WebMD Medical Reference

Reviewed by Norman Levine, MD on October 31, 2012

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