Objective:To evaluate the clinical efficacy of paraspinal nerve blocking with interferon α-2b and the preventive efficacy of postherpetic neuralgia when treating acute herpes zoster.Methods:The 60 cases of herpes zoster were divided into interferon α-2b group(group 1) and control group(group 2) randomly and averagely. The only difference between group 1 and2 is whether to use the interferon α-2b. We treat the patients once every three days, and up to five times. For each patient, before and after treatment(...