how long does a blood test for herpes take?
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Herpes tests are done to find the herpes simplex virus (HSV). Results for a rapid viral culture may take 2 to 3 days, while results for a standard culture can take up to 14 days. Antigen detection test results are ready in a day. Polymerase chain reaction (PCR) test results are ready in 1 to 3 days.
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An antigen/antibody test performed by a laboratory on blood from a vein can usually detect HIV infection 18 to 45 days after an exposure. There is also a rapid antigen/antibody test available that is done with a finger prick.
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When symptoms do occur, herpes lesions typically appear as one or more vesicles, or small blisters, on or around the genitals, rectum or mouth. The average incubation period for an initial herpes infection is 4 days (range, 2 to 12) after exposure.
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Cell culture or PCR test may give a false-negative result if the sores have begun healing or if you are recently infected. It takes several weeks for HSV antibodies to show up in the blood. A false-negative test shows you don't have the condition when in fact you do. False-positive test results are possible, too.
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Results can take from four days to two weeks, according to the Centers for Disease Control and Prevention (CDC). Molecular tests of blood are not likely to detect the virus after 7 days of illness.
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If you've been exposed to the herpes virus, it can take anywhere from 2 to 12 days for symptoms to appear and for the virus to be detected on a test.
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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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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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In some cases, it can take 2 - 3 weeks to heal completely. Subsequent outbreaks are usually less severe and pass within a few days. As a general rule, the first ever herpes outbreak tends to be the most severe. In some cases, it can take 2 - 3 weeks to heal completely.
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An antigen/antibody test performed by a lab on blood from a vein can usually detect HIV infection 18 to 45 days after exposure. An antigen/antibody test done with blood from a finger prick takes longer to detect HIV (18 to 90 days after an exposure).
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How long can herpes go undetected? Once you've contracted HSV, there will be an incubation period — the time it takes from contracting the virus until the first symptom appears. The incubation period for HSV-1 and HSV-2 is the same: 2 to 12 days.
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HSV testing is usually done as a swab test, blood test, or lumbar puncture. The type of test you get will depend on your symptoms and health history. For a swab test, a health care provider will use a swab to collect fluid and cells from a herpes sore.
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Herpes tests are done to find the herpes simplex virus (HSV). Results for a rapid viral culture may take 2 to 3 days, while results for a standard culture can take up to 14 days. Antigen detection test results are ready in a day.
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The average incubation period for an initial herpes infection is 4 days (range, 2 to 12) after exposure. The vesicles break and leave painful ulcers that may take two to four weeks to heal after the initial herpes infection.
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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. If you don't hear back from your doctor after your STD test, don't assume everything's okay. Call them to find out for sure what your results are.
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Test results normally take about one week. If your result is positive, sexual partners also need to be tested and treated. This is called contact tracing. Otherwise you could keep re-infecting each other.
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A serum herpes simplex antibodies test is a blood test that checks for the presence of antibodies to the herpes simplex virus (HSV). HSV is a common infection that causes herpes. Herpes can appear in various parts of the body, but it most commonly affects the genitals or mouth.