Minus Related Pages. What kinds of tests are available, and how do they work? HIV Testing. HIV Testing Topics. Other Resources. Get tailored information about your risk and learn how to protect yourself. Top of Page. More HIV Topics. Clinical Trials View All ». Clinical Trials.
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This test is usually the first one used to detect infection with HIV. If antibodies to HIV are present positive , the test is usually repeated to confirm the diagnosis. This test has a low chance of having a false result after the first few weeks that a person is infected. PCR testing isn't done as often as antibody testing, because it requires technical skill and expensive equipment.
This test may be done in the days or weeks after exposure to the virus. Genetic material may be found even if other tests are negative for the virus. The PCR test is very useful to find a very recent infection, find out if an HIV infection is present when antibody test results were uncertain, and screen blood or organs for HIV before donation.
This test detects HIV antibodies using a special fluorescent dye and a microscope. If you have a positive test result, contact your sex partners to inform them.
They may want to be tested. You may be able to get help from your local health department to do this. Some home test kits for HIV have been approved by the U.
If the results from a home test kit show that you have an HIV infection, talk to a doctor. And keep in mind that these test kits sometimes may show that you have HIV when you don't false-positive result. Or they may show that you don't have HIV when you do false-negative result. This test is not done to find out if a person has AIDS. A test for HIV infection can't be done without your consent. Most doctors offer counseling before and after the test to discuss:.
Before the test, it's important to tell your doctor how and where to contact you when your test results are ready. If your doctor has not contacted you within 1 to 2 weeks of your test, call and ask for your results.
When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. There is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the site. Your doctor may ask you to come back to talk about your results. This may happen no matter what your results say.
It does not always mean that you have HIV. Current as of: September 23,
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