What are the signs and symptoms of the condition?
Symptoms of lichen planus may include:
flat, purplish, pimple-like bumps mostly on the wrists, lower back, shins, and sometimes the genitals
hair loss
itching
lace-like white lesions occurring in the mouth and on the mucosal surfaces of the genitals
painful sores in the mouth and genitals
Symptoms become worse if a person feels stressed.