Picornaviridae · Hepatovirus
| Amantadine | HAV | Viroporin inhibitor; blocks viral ion channel activity | Approved (other) | Japan | Viral ion channel (viroporin) | |
| Inosine (Inosine pranobex) | HAV | Stimulates cell-mediated immune response | Preclinical | — | Viral RNA pol | |
| Sofosbuvir | HAV | Nucleotide analog inhibitor of HCV NS5B RNA-dependent RNA polymerase | Approved (other) | JapanChina | Viral RNA pol | |
| Tilorone | HAV | Interferon inducer | FDA approved | FDARussia | Unknown |