Varicella Zoster

Source:  Varicella Zoster    Tag:  varicella zoster infection

Herpes zoster is an infection caused by a herpes virus (varicella-zoster virus), characterized by an eruption of groups of vesicles on one side of the body following the course of a nerve due to inflammation of ganglia and dorsal nerve roots resulting from activation of the virus, which in many instances has remained latent for years following a primary chickenpox infection; the condition is self-limited but may be accompanied by or followed by severe postherpetic pain. It common occurs in the elderly or immunocompromised person.

Signs and Symptoms:
  • Unilateral and painful vesicular eruptions
  • Fever
  • Dysesthesias
  • Malaise
  • Headache
Treatments:

  1. Antivirals such as acyclovir or valacyclovir within 72 hours of appearance of lesions
  2. IV antivirals for patients with immunocompromised