After treatment, the rash completely subsides within a month, but the pain persists, which is called postherpetic neuralgia. patients experience significant pain and affect sleep at night, they can then take oral Prevacid capsules, and also go to the pain department for minimally invasive treatment, such as painful nerve block treatment and radiofrequency ablation treatment. During the treatment period, it is necessary to maintain a normal routine, pay attention to rest, reduce staying up late and abstain from alcohol.