Lichen planus is a skin rash triggered by the immune system. It’s not currently known why this immune response occurs. There may be several contributing factors, and each case is different. Potential ...

Lichen planus is an inflammatory skin condition that causes a rash that is usually itchy. It consists of small, shiny, slightly raised, flat-topped bumps that can be pink or purple in color. Lichen ...

Lichen sclerosus is a long-term inflammatory skin condition that creates patches of shiny white skin that’s thinner than typical. It most commonly affects the genital and anal regions, especially the ...