Causes of itchy and hardened nevus include allergy, infection, malignant transformation, etc. Treatment includes medication and surgery.
1. Allergy: if the itchy and hardened nevus is caused by allergy, anti-inflammatory treatment such as beclomethasone dipropionate can be given at this time.
2. Infection: if the cause of itching and hardening of nevus is infection, then anti-infection treatment such as applying levofloxacin gel can be given.
3. Malignant change: if the cause of itchy and hardened nevus is malignant lesion, then it is necessary to give nephrectomy, and give radiation therapy after the operation.
Please consult doctor in time for the phenomenon of itching and hardening of nevus, and the above medicines should be used under the guidance of doctor, avoiding the adverse consequences caused by self-application.