Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

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

Last Updated: 8/25/2025

Treatment of Post-Varicella Meningitis

Antiviral Therapy

  • The recommended treatment for post-varicella meningitis is intravenous aciclovir at a dose of 10-15 mg/kg three times daily, with or without a short course of corticosteroids, as suggested by the Journal of Infection guidelines 1
  • Intravenous aciclovir is the first-line treatment for VZV meningitis, with a recommended dose of 10-15 mg/kg every 8 hours 1
  • Treatment duration is typically 10-14 days, though this may be individualized based on clinical response 1

Corticosteroid Consideration

  • For VZV meningitis with a vasculitic component, there is stronger evidence for adding corticosteroids to the antiviral regimen 1
  • A short course of steroids (e.g., prednisolone 60-80 mg daily for 3-5 days) may be beneficial due to the inflammatory nature of the condition 1

Treatment Algorithm

  • Confirm diagnosis through CSF PCR testing for VZV, as recommended by the Journal of Infection guidelines 2
  • Initiate IV aciclovir 10-15 mg/kg every 8 hours immediately, as suggested by the Journal of Infection guidelines 1
  • Consider adding corticosteroids if vasculitic component is suspected, as recommended by the Journal of Infection guidelines 1
  • Continue treatment for at least 10-14 days, as suggested by the Journal of Infection guidelines 1
  • For immunocompromised patients, consider extended treatment course, as recommended by the Journal of Infection guidelines 1

Pitfalls and Caveats

  • Delayed initiation of antiviral therapy may lead to worse outcomes; treatment should begin as soon as VZV meningitis is suspected, as suggested by the Journal of Infection guidelines 1