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Psoriasis - Cause

The exact cause of psoriasis isn't known.

Doctors believe that the immune system overreacts, causing inflammation and flaking of skin.

Recommended Related to Psoriasis

Summer Tips for Psoriasis

Warm weather often spells relief from psoriasis. Sunlight helps reduce skin patches, and higher humidity improves dry skin. Yet spring and summer can also make you anxious about showing so much bare skin. Use these tips to make the most of balmy days when you have psoriasis.  

Read the Summer Tips for Psoriasis article > >

Many scientists believe that psoriasis can be inherited. About one-third of people who have psoriasis have one or more family members with the condition.1 But it isn't clear that genetic factors alone determine whether you get psoriasis.

Psoriasis isn't contagious—it can't be spread by touch from person to person.

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WebMD Medical Reference from Healthwise

Last Updated: January 09, 2012
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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