AcyclovirAntiviral AgentsHerpes SimplexHerpes GenitalisHerpes ZosterHerpes LabialisHerpesvirus 2, HumanSimplexvirusValineFoscarnetGanciclovirEncephalitis, Herpes SimplexOintmentsHerpes Zoster OphthalmicusProdrugsGuanineStomatitis, HerpeticHerpesvirus 3, HumanKeratitis, DendriticThymidine KinaseHerpesvirus 1, HumanAdministration, OralAdministration, TopicalChickenpoxVirus SheddingViral Plaque AssayEncephalitis, Varicella ZosterBell PalsyArabinofuranosyluracilSkin Diseases, ViralPhosphonoacetic AcidIdoxuridineVirus ActivationPharmaceutical VehiclesInosine PranobexDouble-Blind MethodRecurrenceVidarabineKeratitis, Herpetic