tenofovir disoproxil is also available in pills which combine a number of antiviral drugs into a single dose. well-known combinations include atripla (tenofovir disoproxil/emtricitabine/efavirenz), complera (tenofovir disoproxil/emtricitabine/rilpivirine), stribild (tenofovir disoproxil/emtricitabine/elvitegravir/cobicistat), and truvada (tenofovir disoproxil/emtricitabine).