Lichen planus is an inflammatory disease that affects the skin
and the oral mucosa, and presents itself in the form of papules (flat spots) or rashes
. Treatment is available only on prescription and consists mainly of steroids, retinoids, hydroquinone and phototherapy.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor.