Zovirax (Acyclovir): Side Effects, Interactions, Warning ... Zovirax (Acyclovir): Side Effects, Interactions, Warning ... Zovirax (Acyclovir): Side Effects, Interactions, Warning ... acyclovir (Zovirax) Best home treatment for cold sores up nose Acyclovirom Acyclovir FDA Labeling for Zovirax on RxList aciclovir Zovirax (Acyclovir): Side Effects, Interactions, Warning ... http://www.rxlist.com/zovirax-drug.htm Zovirax (Acyclovir) Drug Information