infections
Postherpetic Neuralgia
Introduction
Postherpetic neuralgia is chronic pain in areas of skin supplied by nerves infected with herpes zoster ( Shingles ). Shingles is a painful rash of fluid-filled blisters that is caused by reactivation of the varicella-zoster Exactly why postherpetic neuralgia occurs is not well-understood. Postherpetic neuralgia occurs most often in older adults. As people age, the chance of developing postherpetic neuralgia increases. 