This image displays typical flat-topped, purple (violaceous) elevations of the skin at the wrist in lichen planus. Lichen planus can cause erosions of the lips. Net-like, white, slightly elevated lesions inside the mouth are typical of oral lichen planus. In lichen planus, flat-topped, slightly elevated lesions with scaling are frequently located on the wrist. This image displays nails with thin, longitudinal ridges typical of lichen planus. As displayed in this image, lichen planus is typically seen as white patches on the sides of the mouth lining. Lichen planus (seen near the ankle area here) often has a purple-brown discoloration, sometimes with scale. Lichen planus lesions may be numerous. The typical purple-brown discoloration and dull appearance due to scaling are apparent here.
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Lichen Planus  Information for adults

Picture of Lichen Planus: This image displays typical flat-topped, purple (violaceous) elevations of the skin at the wrist in lichen planus. Divider line
This image displays typical flat-topped, purple (violaceous) elevations of the skin at the wrist in lichen planus.
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Who's At Risk
People of all ages, of all races, and of both sexes can have lichen planus. However, it is rarely seen in young children and older adults, most commonly occurring in people aged 30–60.

Although the cause of lichen planus is unknown, some people with the condition also have hepatitis C, an infection of the liver.

People who take certain medications may develop a rash that looks like lichen planus (drug-induced lichen planus). These medications include:
  • High blood pressure (hypertension) medicines, including diuretics, ACE inhibitors, and calcium channel blockers
  • Diabetes medications, including the sulfonylureas
  • Ibuprofen or naproxen
  • Antimalarial medications
  • Gold
  • Penicillamine
  • Ketoconazole
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Last Modified: 22 Dec 2008
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