Acyclovir: Fact sheet for HIV and AIDS patients about this antiviral used to treat herpes genitalis, herpes simplex, and herpes zoster.DrugDigest: Acyclovir: Information on dosage, usage, side effects, interactions, and drug comparisons including generics when available.DrugDigest: Zovirax: Information on dosage, usage, side effects, interactions, and drug comparisons including generics when available.MedlinePlus Drug Information: Acyclovir: Advice for patients on this medication (brand name Zovirax) used to treat herpes infections.Zovirax: Product information sheets from GlaxoSmithKline, providing prescribing information for acyclovir for administration orally, by injection, or as an ointment.Zovirax (Acyclovir) - RxList Monographs: Detailed information about chemical form, clinical pharmacology, dosage, side effects, and related topics.