Inclusion criteria:
Patients with newly diagnosed lichen planus by a dermatologist who have not previously received any topical or systemic treatment.
Patients over 16 years of age
Weight more than 40 kg
Glomerular filtration rate (GFR) over 60
Exclusion criteria:
patients with Oral, nail, genitalia and hair involvements of lichen planus
pregnant or nursing mothers
evidence of renal or hepatic failure ,CVA ,MI ,DVT ,PTE ,PUD ,leukemia ,lymphoma, bone marrow failure,G۶PD deficiency ,retinopathy ,neuropsychiatric diseases ,lymphopenia , leucopenia