Harvoni (ledipasvir/sofosbuvir) is a combination of drugs used to treat Hepatitis C infection. The two medications in Harvoni disrupt the replication processes of the Hepatitis C virus in complementary ways. Harvoni comes as a brand name product as well as a Harvoni generic product. You can buy Harvoni online as a 45mg/200mg or 90/400mg tablet. Store your Harvoni and Harvoni generic at room temperature and keep it out of reach of children.