dermatomal distribution

Clinical Definition Herpes Zoster, commonly referred to as Shingles, is a localized, blistering, painful rash caused by the reactivation of the Varicella-Zoster Virus (VZV). Following primary infection (Varicella/Chickenpox), the virus establishes permanent latency in the dorsal root or cranial nerve ganglia. Reactivation typically occurs decades later due to a decline in cell-mediated immunity, resulting in…