Postherpetic neuralgia

Dr Glen Sheh, MBChB, BHB, FAFRM (RACP), FFPMANZCA
Staff Specialist, Supervisor of Training Pain Medicine, Department of Anaesthesia and Pain Management, Concord Hospital, NSW; VMO, Pain Clinic for Developmental Disabled Adults, Royal Rehabilitation Centre Sydney.

INTRODUCTION
Postherpetic neuralgia (PHN) remains a clinical challenge. Analgesic efficacy is variable in affected individuals. Many studies have compared efficacies of different medications, including antiviral agents during

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