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Shingles and Postherpetic Neuralgia

Shingles destroys peripheral sensory neurons and can cause serious complications, of which the most common is postherpetic neuralgia (PHN), the persistence of pain in an area affected by shingles at least three months prior. PHN often resolves within the first six months following shingles, but for some, the pain can last for years or indefinitely. Age is the most significant risk factor for developing shingles and, independently, PHN.