The purpose of this study is to evaluate the therapeutic efficacy of transcutaneous auricular vagus nerve stimulation (taVNS) in the treatment of patients with post-herpetic neuralgia (PHN). Participants will receive taVNS in addition to standard care. The study aims to determine whether taVNS can provide significant pain relief and improve quality of life in PHN patients.
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Brief Pain Inventory - Short Form (BPI-SF)
Timeframe: Administered three times: before the first treatment session, after 2 weeks, and after 4 weeks. Administration mode: Interview-based.