how long can it take for hiv to show up on a test?
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HIV tests detect antibodies — the immune system's response to infection. For the majority of people, HIV testing will be accurate at four to six weeks after possible infection. However, for some people it may take longer — up to three months — for detectable antibodies to develop.
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Almost all persons develop antibodies within 2 to 12 weeks, but it can take up to 6 months after infection. A positive result means antibodies to HIV were found in your body. This means you have HIV infection. You are infected for life and can spread HIV to others.
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A human immunodeficiency virus (HIV) test detects HIV antibodies or antigens, or the genetic material (DNA or RNA) of HIV in blood or another type of sample. This determines whether an HIV infection is present (HIV-positive). ELISA results are usually available in 2 to 4 days.
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Some STDs look and act alike, so you might be tested for a few different infections. Your doctor may be able to tell right away if you have an STD. But some tests take a few days or weeks to come back from a lab. Many clinics can do rapid testing for HIV — you'll get your result in about 20 minutes.
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Most STI test results come back from the lab within seven to ten days. When you get tested, talk with your health care provider about how you will get your results.
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It can take 3-12 weeks for enough signs of the virus to show up on routine tests for the infection, which measure antibodies against HIV. A new kind of screening, called a nucleic acid test, can detect the virus itself during this early stage, but it's expensive and not usually used for routine HIV testing.
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Most people develop detectable antibodies within 6 weeks of infection; 97% respond within 3 months (1). Conservatively speaking, a result obtained today is only a reliable indicator of one's HIV status 3 months ago (the so-called “window period”).
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For the majority of people, HIV testing will be accurate at four to six weeks after possible infection. However, for some people it may take longer — up to three months — for detectable antibodies to develop.
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Sexually transmitted infection (STI) tests According to Columbia University, these tests most commonly provide results in 10 to 20 minutes. Doctors also use blood tests to test for the presence of conditions such as herpes, hepatitis, and syphilis. These results may take up to one to two weeks.
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Talk with your healthcare provider about your test result and the type of test you took to understand what your result means. You could still have a current infection. The test may be negative because it typically takes 1–3 weeks after infection for your body to make antibodies.
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HIV is usually diagnosed by testing your blood or a sample of cells taken with a swab from inside your cheek for the presence of antibodies to the virus. HIV tests vary in how soon they are able to detect infection. The time between when you get the virus and when it can be detected is called the window period.
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Is the HIV RNA test conclusive? If taken at the recommended window period, the HIV RNA test is highly accurate, so you can have confidence in your results. The HIV RNA test is around 95-99% accurate starting around 9-11 days post exposure and will stand at about 99% accuracy around 28 days post exposure.
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The time between when you get the virus and when it can be detected is called the window period. It can take up to three to 12 weeks for your body to make enough antibodies for an antibody test to detect HIV infection.
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It can take 3 months for HIV to show up on a test, but it only takes a matter of days to a few weeks for STDs like gonorrhea, chlamydia, and syphilis to show up.
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It can take as long as three weeks for a blood antibody test to turn positive. That's why it is not useful as a diagnostic test for someone with new symptoms.
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As with the Rapid test, most guys (about 90%) will develop enough HIV antibodies to be detected three to four weeks after infection. The big difference is that it is done with blood drawn from a vein. The blood is sent to a lab and you will have to wait up to five days for the result.
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With blood testing, syphilis can be detected as early as 1 to 2 weeks after exposure. The highest accuracy can be expected within about three months, with false positive results possible any time within the initial 90 days after infection.