Efficacy of Electroacupuncture Combined With Pregabalin in the Treatment of Trigeminal Herpetic Neuralgia: a Multicenter Randomized Controlled Trial Study Protocol

Inclusion Criteria: 1. meet the aforementioned diagnostic criteria for trigeminal ZAP, with a disease duration of 1 to 3 months; 2. have a visual analog scale (VAS) score of 4 points ≤ VAS ≤ 7 points; 3. be between 18 and 85 years old, regardless of gender; 4. have clear consciousness, the ability to distinguish pain, and complete basic communication; 5. voluntarily participate in the study, sign a written informed consent form, and fully understand the plan. Exclusion Criteria: 1. do not meet the above-mentioned inclusion criteria; 2. have concomitant herpes zoster on the trunk or extremities, or other special types of herpes zoster like meningeal herpes zoster or visceral herpes zoster; 3. are pregnant or lactating patients; 4. are allergic to pregabalin or acupuncture stimulation; 5. have severe organ damage, cognitive dysfunction, mental disorder, aphasia, or other serious diseases that hinder cooperation with treatment; 6. have severe skin diseases; 7. have a pacemaker; 8. have been or are currently participating in other clinical studies within the past 3 months.