Penciclovir is used on the lips and faces of adults to treat cold sores caused by herpes simplex virus. Penciclovir does not cure herpes infections but decreases pain ...

... docosanol (Abreva), famciclovir (Famvir), foscarnet (Foscavir), ganciclovir (Cytovene), penciclovir (Denavir), trifluridine (Viroptic), valacyclovir (Valtrex), and valganciclovir (Valcyte). ...

... and pharmacist if you are allergic to famciclovir, penciclovir cream (Denavir), acyclovir (Zovirax), any other medications, or ...