How fast does acyclovir work?

On what? Usually the effect is quite rapid, but this antiviral drug used against herpes simplex most commonly, will not have the lesions go away immediately since the tissues have already been damaged and this will not resolve simply because the virus has been controlled.

Related Questions

How fast does acyclovir work on cold sores?

Depends... ...On the time lag between breakout and start of treatment. After 3 days may not work at all. Read more...