Lysine's precise role in the prevention and treatment of herpes labialis outbreaks is unknown ... from the lysine group because of concomitant acyclovir use. An intention-to-treat analysis ...

I’ve been on a standard dose ... acyclovir prevents shingles outbreaks? — A.G. Answer: I found a handful of studies that showed a benefit to the prevention of shingles; however, the dose was much ...