Introduction
Postherpetic neuralgia (PHN), a common complication of herpes zoster (HZ), is characterized by chronic pain persisting or developing 3 months after the initial rash or HZ diagnosis.1,2 The incidence of HZ is approximately 30%, with…

Postherpetic neuralgia (PHN), a common complication of herpes zoster (HZ), is characterized by chronic pain persisting or developing 3 months after the initial rash or HZ diagnosis.1,2 The incidence of HZ is approximately 30%, with…