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Psoriasis - What Increases Your Risk

Many doctors believe that psoriasis may be passed down from parents to their children (inherited). This is because certain genes are found in families who are affected by psoriasis.2 About one-third of people who have psoriasis have one or more family members with the condition.1

Other factors that can contribute to the development of psoriasis include:

Recommended Related to Psoriasis

What Causes Psoriasis?

Psoriasis turns your skin cells into Type A overachievers: They grow about five times faster than normal skin cells. And your body can't keep up. The old ones pile up instead of sloughing off, making thick, flaky, itchy patches. Why do these cells go a little haywire? There's more going on under the surface of this skin disease. Researchers think something sets off your immune system. The exact reason is a mystery. But it's likely a combination of genetics and triggers.

Read the What Causes Psoriasis? article > >

  • Emotional or physical stress. Stress may cause psoriasis to appear suddenly or make symptoms worse (although this has not been proved in studies).
  • Infection. Infections such as strep throat can cause psoriasis to appear suddenly, especially in children.
  • Skin injuries. An injury to the skin can cause psoriasis patches to form anywhere on the body, including the site of the injury. This includes injuries to your nails or nearby skin while trimming your nails.
  • Smoking. Smoking may make you more likely to get psoriasis and make the symptoms more severe.3

WebMD Medical Reference from Healthwise

Last Updated: July 17, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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