Often it is unclear which type of encephalitis is present and starting Acyclovir empirically is appropriate. In addition to the pathogens below, possible causes can include West Nile Virus, EBV, HIV, toxoplasmosis, or rabies.
Acyclovir 10mg/kg (10-15mg/kg for pediatrics) every 8hrs
Acyclovir 10mg/kg every 8hr
Ganciclovir 5mg/kg IV every 12hr OR
Foscarnet 90mg/kg IV every 12 hrs
Doxycycline 200 mg IV once followed by 100 mg IV twice daily
Neuro antibiotics
ENT antibiotics
Antibiotics 
GU antibiotics
Bone and joint antibiotics
Pediatric antibiotics
Skin and soft tissue antibiotics
Analgesics and sedatives 