Descovy is an antiviral medication primarily used to treat HIV (human immunodeficiency virus) infection. It can also be used when a person is co-infected with both HIV and hepatitis B. Descovy should only be prescribed by healthcare providers specifically trained in the management ofHIVinfection. The active drugs in Descovy work by incorporating into the DNA of the HIV viruses. By doing so, they prevent the replication of the viruses. The immune system is then able to contain the infection better. Descovy is typically a long-term medication that suppressesactive HIV infection.