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about 6 years ago
Lichen planus is an itchy skin rash that is caused by an immune response. It can occur anywhere on your skin. In cases of oral lichen planus, the mucous membranes inside your mouth are the only area affected. Oral lichen planus presents symptoms different from other cases of lichen planus. Instead of a rash, people may experience swollen tissues, white patches, and open sores. Oral lichen planus isn’t contagious, and it can’t be spread to another person.
