1, HIV test need fasting HIV test is a qualitative test rather than quantitative test, is not affected by diet and drugs, and therefore do not need fasting, fasting before the test. In addition, the HIV antibody test is specific, and the antibody level is not affected by body temperature or medication. Therefore, general illness and medication will not affect the HIV antibody test results. 2, HIV test can drink water HIV test can drink who. HIV test refers to the use of laboratory methods of human blood, other body fluids, tissues and organs, blood derivatives and other viruses and antibody-related indexes test, drink and eat have no effect. 3, how long does it take to get the results of the HIV test HIV test is divided into two steps: the initial screening and confirmation. The initial screening enzyme immunoassay takes about two to three hours, but if you use a rapid reagent for the initial screening test, you can get the results within half an hour. A positive result from the initial screening test requires further retesting and confirmation, which takes one to two days. However, the above is only the time of the test itself, the specific operation also need to consider the specimen delivery time and the work of the laboratory arrangements, each laboratory is different, it is difficult to have a uniform standard. In traditional testing, the collected specimen is sent to a central laboratory for testing, a method that may require the pregnant woman to return a week or more later to see the results.