Herpes zoster may also cause itching, which may become more itchy after scratching. Herpes zoster is a common viral infectious disease in dermatology. It is mainly caused by varicella zoster virus infection due to low human immunity. It usually occurs in the trunk, head, face and other parts of the body. It is mainly distributed along the nerve. The main skin lesions are erythematous vesicles distributed in bands. In general, herpes zoster is mainly neuropathic pain, showing paroxysmal discharge like attacks, but individual patients will also have itching symptoms. Or herpes zoster in the early performance of itching, scratching may become more itchy. Some patients may show paroxysmal itching and tingling, so it is also possible for herpes zoster to itch more and more, but pain is the main manifestation of most patients.