Viraday is a combination drug used in the treatment of HIV (human immunodeficiency virus) in adults. Viraday contains three different antiretroviral agents that are effective in treating retroviruses (RNA viruses), such as the human immunodeficiency virus (HIV). HIV replication is carried out by the action of a virus-specific reverse transcriptase enzyme. These substances inhibit the action of these enzymes. Viraday tablets contain three active ingredients – antiretroviral drugs used to treat HIV infection: (Efavirenz + Emtricitabine + Tenofovir).