Acute - Herpes Simplex I

Immunocompetent

Primary

Empiric Therapy Dose/Duration
Valacyclovir 500mg-1g PO bid x 7 days
or  
Famciclovir 500mg PO bid x 7 days
or  
Acyclovir Adult: 400mg PO tid x 7 days
  Paediatric: 40-60mg/kg/d PO div 4-5x/d

Recurrent

Empiric Therapy Dose/Duration
No therapy indicated  

Immunocompromised

Empiric Therapy Dose/Duration
Valacyclovir 500mg-1g PO bid x 7-10 days
or  
Famciclovir 500mg PO bid x 7-10 days
or  
Acyclovir 400mg PO 5x/day x 7-10 days