Lichen Planus can be successfully treated, remember that it is not infectious and it doesn’t spread to others. In mild cases your dermatologist will prescribe topical corticosteroids and and anti-histamines to control your itching. In severe cases you may need courses of oral corticosteroids and in special cases you may need drugs like cyclosporine, acitretin or even phototherapy. Lichen planus generally lasts for about 6 months to 2 years. It leaves behind dark coloured spots or patches on the