How to treat herpes zoster?

Herpes zoster is a skin disease caused by varicella-zoster virus infection, which is characterized by acute onset, clustered small blisters distributed along peripheral nerves, often accompanied by neuralgia and local lymph node swelling and pain. Because herpes zoster is a virus-infected skin disease with self-limitation, the course of disease is 2-3 weeks. The treatment principle of herpes zoster is antivirus, neurotrophic and analgesic. Commonly used antiviral drugs include oral or intravenous infusion of famciclovir, valaciclovir, acyclovir and ganciclovir. Neuronutrition includes mecobalamin, cobalamin adenosine, vitamin B 1 and vitamin B 12. According to the degree of pain of patients, choose appropriate painkillers, such as severe inflammation, which can be treated with glucocorticoid. Topical drugs are mainly symptomatic treatment, and the principles are anti-inflammatory, analgesic, infection prevention and shortening the course of disease. Penciclovir cream and calamine lotion can be used externally.