Table 2:
Oral Antivirals

Indication

Acyclovir

Famciclovir
Valacyclovir
Primary HSV 200 mg 5 times/day or 400 TID for 10 days 500 mg BID or 250 mg TID for 7 days 1 gm BID for 10 days
Recurrent HSV

400 mg TID for 5 days

125 BID for 5 days 500 mg BID for 5 days
Suppressive 400 mg BID 250 mg BID 1 gm or 500 mg qd
Herpes Zoster 800 mg 5 times day for 7-10 days 500 mg TID for 7 days 1 gm TID for 7 days
  
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