Acute and recurrent viral meningitis

Larry E Davis1

  • 1Larry E. Davis, MD New Mexico VA Health Care System, Neurology Service, 1501 San Pedro Drive SE, Albuquerque, NM 87108, USA. LEDavis@unm.edu.

Insights

Acute viral meningitis, often caused by enteroviruses, lacks specific antiviral treatments but is better managed with rapid diagnostics. Antiviral drugs can shorten episodes and reduce recurrence of aseptic meningitis.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Virology

Background:

  • Acute viral meningitis is the most common central nervous system infection, predominantly affecting children and young adults.
  • Enteroviruses are the primary cause of acute viral meningitis, with limited specific antiviral therapies available.
  • Recurrent meningitis is less frequent, with Herpes Simplex Virus 2 being a notable cause in young adults.

Purpose of the Study:

  • To highlight advancements in diagnosing viral meningitis and their impact on patient management.
  • To discuss the role of antiviral agents in managing recurrent aseptic meningitis.

Main Methods:

  • Review of current diagnostic approaches for identifying viral etiologies of meningitis.
  • Analysis of the therapeutic efficacy of antiviral drugs in managing aseptic meningitis episodes and recurrences.

Main Results:

  • Improved diagnostic tests enable faster identification of viral causes, leading to reduced healthcare costs and shorter hospital stays.
  • Antiviral medications like acyclovir, valaciclovir, and famciclovir effectively shorten the duration of aseptic meningitis episodes.
  • Prophylactic antiviral treatment significantly decreases the frequency of recurrent meningitis.

Conclusions:

  • Rapid and accurate viral diagnostics are transforming the management of acute viral meningitis.
  • Antiviral therapy is crucial for managing recurrent aseptic meningitis, offering both acute and prophylactic benefits.

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