skin disorders
Lichen Planus
Prognosis for Lichen Planus
Lichen planus usually clears up by itself after 1 or 2 years, although it sometimes lasts longer, especially when the mouth is involved. Prolonged treatment may be needed during outbreaks of the rash. However, between outbreaks, no treatment is needed. People with painful mouth sores rarely develop oral cancer, but the rash on the skin does not turn cancerous. Mouth sores usually last for life. Lichen planus in the vagina or vulva may be chronic and hard to treat, which decreases quality of life and may cause scarring. 