The difference between perianal neurodermatitis and perianal lichen planus is that the causes are different and the symptoms are different.
1. Different causes: perianal neurodermatitis is usually a chronic neurodermatitis triggered by gastrointestinal dysfunction, localized skin friction, scratching and other reasons. Perianal lichen planus is mainly caused by immunity, heredity, infection and other factors.
2. Symptoms are different: for perianal neurodermatitis, patients will mainly appear local itching symptoms, accompanied by reddish, tawny flat papules, can be round or round, smooth surface, with a little scales. Perianal lichen planus is characterized by polygonal purplish-red flat papules that are hard and dry with a waxy sheen.
Perianal neurodermatitis and perianal lichen planus patients, it is recommended to go to the hospital in time, under the guidance of the doctor targeted treatment.