Zovirax is used to treat Shingles, Herpes simplex. The generic version is called Acyclovir. The average Zovirax cash price is about $584.36 for a supply of Tablet 800 MG 30 pcs. You can reduce your Zovirax cost by up to 75% with our free Zovirax discount card. Bring it to a participating pharmacy near you to save on your prescription medication.