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.
The Western Blot is a confirmatory test, usually done as the second level of screening for an initial HIV positive result. Given that your blood tested HIV-negative on the western blot, this means that your initial test was a false positive. If you need more peace of mind, you may want to get retested just in case. HIV tests are anonymous and free at many clinics and health departments.