When it comes to whether acyclovir needs to be stopped, I assume your doctor was thinking of the old shingles vaccine, ...

Acyclovir 20 mg/kg body weight IV every 8 hours for 14 days (when limited to skin and mucous membranes) Acyclovir 400 mg orally three times a day for 7 to 10 days OR Acyclovir 200 mg orally five ...

The dose commonly used for preventing herpes simplex (commonly 400 mg twice daily or 200 mg five times daily) isn’t likely to be high enough to prevent the zoster virus, which is substantially more ...