Finger joints on the back of hand are itchy and blistered.

This symptom cannot be ruled out as neurodermatitis, also known as chronic simple lichen. This is a chronic skin disease, characterized by paroxysmal itching and lichenization of the skin. For common skin diseases, antihistamines and calcium can be used to relieve itching, supplemented by oral vitamin B; Sedatives can be used for severe itching; Patients with generalized rash can be blocked with procaine vein or combined with tripterygium wilfordii drugs.