A. It's important to dispose of unused medication. To find out how, contact your state health agency or follow U.S. Food and Drug Administration (FDA) guidelines for drug disposal.
The HIV test is designed to detect antibodies to HIV in your blood or saliva. Antibodies are proteins produced by your body when you have an infection and they help fight infection. If you are infected with HIV, your body makes very specific antibodies to fight the infection. The HIV antibodies are different from antibodies for the flu, hepatitis, or other infections.
1 Screen for HIV infection using a combination HIV antigen/antibody test, then. 2  Verify a positive with a second HIV antibody test that differentiates between HIV-1 and HIV-2.  If results of the first and second test do not agree, then the next test to perform is an HIV-1 RNA test (nucleic acid amplification test, NAAT).