Hi there, my dr told me to get some aciclovir cream to treat genital herpes but the pharmacist has given me one that says on the leaflet it's for cold sores only and not to be used on genitals. He just asked if I wanted Zovirax or own brand so I presumed they'd be the same. Does anyone know if some can't be used on genitals? It's called lipsore and is aciclovir 5%... Thanks.