Herpes zoster is an acute herpetic skin disease caused by the herpes virus. The rash is often preceded by mild systemic symptoms such as fever, lethargy, and poor appetite. The rash occurs on one side of the body and is arranged in a band along the peripheral nerves. The rash starts as erythematous skin, followed by clusters of papules and blisters with a shiny, corn-grain size surface, and in a few patients, large, bloody blisters, or even necrosis; some of the blisters may become pus, break down, ooze, and eventually dry up and crust off. Paroxysmal pinprick-like pain in the skin is one of the characteristics of the disease, which can occur before or during the onset of the rash. The elderly are prone to prolonged neuralgia after the rash subsides, i.e., postherpetic neuralgia, which may be related to decreased immune function and inflammatory site repair in the elderly, as well as decreased pain tolerance in the elderly. Since herpes zoster is prone to post-herpetic neuralgia, early treatment, proper care and health education are important for the prevention of post-herpetic neuralgia. Treatment of herpes zoster is based on antiviral pain relief, commonly used antiviral drug acyclovir or famciclovir, pain relief treatment methods are more, in addition to drug pain relief, often using nerve block pain removal, acupuncture pain relief, physical therapy and so on. At the same time of treatment, it is important to eliminate
Psychological barriers of tension and anxiety, build up confidence and actively cooperate with doctors. In severe cases, bed rest should be given, with the patient in a healthy position, and avoid straining and staying up late. Give a high protein, high vitamin diet, eat more fruits, vegetables, beans; avoid spicy and stimulating food.