DARUNAVIR; COBICISTAT; EMTRICITABINE; TENOFOVIR ALAFENAMIDE helps manage the symptoms of HIV infection. It works by limiting the spread of HIV in the body. This medication is not a cure for HIV or AIDS and it may still be possible to spread HIV to others while taking it. It does not prevent other sexually transmitted infections (STIs). With the Patient Assistance Program from Good Days, contact the program to see how they can financially help you out.