Ganciclovir
Ganciclovir has also been used with some success in treating "Human herpesvirus 6" infections.
Cytarabine
When used as an antiviral, cytarabine-5´-triphosphate functions by inhibiting viral DNA synthesis. Cytarabine is able to inhibit herpesvirus and vaccinia virus replication in cells during tissue culture. However, cytarabine treatment was only effective for herpesvirus infection in a murine model.