Shingles may be itchy, but not absolutely. Some patients feel itchy and some do not have any noticeable itchiness. Herpes zoster is caused by the varicella zoster virus and is usually characterized by the appearance of erythema, blisters, and in severe cases, ulceration of the skin, and is usually accompanied by the typical symptoms of nausea and vomiting, nerve pain, and other symptoms. Some patients may experience itching, but some have no obvious symptoms. Therefore, herpes zoster does not necessarily cause itching. It is important to note that people with shingles should eat a light diet with no or little spicy and irritating foods to avoid aggravating the adverse symptoms. Herpes zoster can have a greater impact on life, so if you suffer from herpes zoster should go to the hospital in a timely manner to check the diagnosis, under the guidance of the doctor reasonable treatment, to avoid adverse consequences.