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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

Seven Psoriasis Triggers

While the underlying cause of psoriasis stems from your body's immune system, certain triggers can make symptoms worse or cause flare-ups. These psoriasis triggers include: Cold and dry weather. Such weather can dry out your skin, which makes the chances of having a flare-up worse. In contrast, hot, sunny weather appears to help control the symptoms of psoriasis in most people. Stress. Having psoriasis can itself cause stress, and patients often report that outbreaks of symptoms...

Read the Seven Psoriasis Triggers 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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