often it is unclear which type of encephalitis is present and starting Acyclovir empirically is appropriate
HSV encephalitis
- Acyclovir 10mg/kg every 8hrs
HZV encephalitis
- Acyclovir 10mg/kg every 8hr
CMV encephalitis
- Ganciclovir 5mg/kg IV every 12hr OR
- Foscarnet 90mg/kg IV every 12 hrs