<prompt> Dose of acyclovir in a patient suffering from herpes labialis:200 mg, five times a day for 5 days400 mg, five times a day for 3 days600 mg, five times a day for 5 days800 mg, five times a day for 7 days  <response>: Herpes labialis by HSV-I - Tt Acyclovir 200mg 5 times a day for 5-7 days Recurrent H.labialis i.e. 6 episodes 1yr - prophylactic therapy Acyclovir 400mg BDx 6 Months Herpes genitalis HSV-II - Tt Acyclovir 400mg TDS for 5-7 days 