Lamivudine
Non-selective antiviral drugs are medicines that exhibit antiviral activity against multiple types of viruses rather than targeting a single specific viral pathogen. They work through different mechanisms, such as inhibiting viral replication, interfering with viral nucleic acid synthesis, or modifying host immune responses to limit viral multiplication. These medicines may be used in the management of selected viral infections, depending on their spectrum of activity and clinical effectiveness. Their use varies according to the active ingredient, viral infection, and patient-specific factors. Some agents have broader antiviral properties, while others are used for specific infections despite having activity against more than one virus.