In the current treatment era and in the absence of recurrent herpes simplex outbreaks, any value for chronic acyclovir administration, even at the most well-proven dose of 3.2 g/day, is questionable.

Posttransplant infection prophylaxis, combined with early identification ... Initial genital infection Acyclovir 400 mg PO 5 times daily or valacyclovir 1 g PO 3 times daily, for 10 days Recurrent ...