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Questions from patients about pain conditions and analgesic pharmacotherapy and responses from authors are presented to help educate patients and make them more effective self-advocates. This article is about postherpetic neuralgia (PHN), a devastating complication following reactivation of the varicella-zoster virus. The answer offers an explanation for why this pain occurs, and cites literature regarding its incidence and treatment.
James Jones (Fri,) studied this question.