 The wholesale cost in the United States is about $2308.20 a month as of 2016, while in the United Kingdom it costs the NHS 532.87 per month as of 2015.Combining the three drugs into a single, once-daily pill reduces pill burden and simplifies dosing schedules, and therefore has the potential to increase adherence to antiretroviral therapy.People who have shown strong hypersensitivity to efavirenz, should not take efavirenz/emtricitabine/tenofovir.