Lichen Planus : Causes

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Causes could include:
Lichen planus is an uncommon disorder involving a recurrent, itchy, inflammatory rash or lesion on the skin or in the mouth. The exact cause is unknown, but the disorder is likely to be related to an allergic or immune reaction. The disorder has b...
Source:ADAM
Date:October 16, 2006
No one knows what causes lichen planus, although some experts suspect that it is an abnormal immune reaction following a viral infection, probably aggravated by stress. The condition is similar to symptoms caused by exposure to arsenic, bismuth, g...
Source:Gale Encyclopedia of Medicine
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