Hi,Lichen plants is am autoimmune disease which takes 1-2 years to resolve completely.Apply halobet s ointment on hard nodules twice daily.This will reduce itching n size of nodules.Though dark spots take long time to go.Get your routine blood test done hb,cbc,serum
lft, rft, blood
sugar fasting and send the reports so that we can start oral medicines for faster clearance.all the best.