Lichen Planus | Causes & Risk Factors

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What causes lichen planus?

In many cases, the cause of lichen planus can't be found. It is not contagious. You can't "catch" it from or "give" it to someone else. It is not caused by stress, but sometimes stress makes it worse.

Some cases may be linked to a virus called hepatitis C. This virus can cause liver disease. Your doctor may want to order a blood test to check for hepatitis C virus. Some medicines can cause lichen planus. It is important to tell your doctor about all the medicines you are taking.

Source

Lichen Planus by R Katta, M.D. (American Family Physician June 01, 2000, http://www.aafp.org/afp/20000601/3319.html)

Written by familydoctor.org editorial staff

Reviewed/Updated: 03/14
Created: 06/00

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