Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/3/2025

Aciclovir Treatment for Herpes Zoster

Special Populations and Situations

  • For patients with severe disease or complications requiring hospitalization, the Centers for Disease Control and Prevention recommends intravenous aciclovir 5-10 mg/kg body weight every 8 hours for 5-7 days or until clinical resolution 1, 2
  • Aciclovir treatment does not eradicate latent virus nor affect subsequent risk, frequency, or severity of recurrences after discontinuation, as stated by the Centers for Disease Control and Prevention 2