Herpes zoster is considered to be reactivation of a latent virus in the dorsal root ganglion with predominantly cutaneous involvement along the dermatomes.Motor paralysis in the limbs is rare.

• 摘要带状庖疹是由水痘、带状庖疹病毒侵犯背神经根所引起之炎症，以皮神经节所表现之庖疹为临床主要症状。