11/27/2023 0 Comments Western blot test for herpes timingBlood tests are helpful when a swab test can’t be obtained or to help sort out other matters.) Getting Help with Confirmatory Testing (**A positive swab test of a lesion in someone with symptoms can be a confirmation. Research shows that there can even be false positives above this range in some people. The CDC recommends that anyone who tests positive on an IgG based test with an index value that falls between a 1.1 and 3.0 should get confirmatory testing (experts say the Western Blot is the best confirmatory test). About 50% of people who test positive for HSV-2 on an IgG based test with an index value between 1.1 and 3.5 do not have herpes (the lower the value, the higher chance of a false positive, the higher the value the more likely it’s an accurate result). Once they confirm that it was an IgG based test, I ask them to look for the index value of their result. I suggest that they obtain a copy of their results and look at whether they had an IgG or IgM based test (the CDC says IgM based tests should not be used to diagnose herpes). However, if someone tells me they have never recognized any symptoms, I think it’s worth exploring a little further to make sure the diagnosis is accurate. It is true that you can have herpes and not be aware of symptoms. Over the years, many people with no history of herpes symptoms have called me to begin counseling or group therapy after receiving a herpes diagnosis from a blood test screening alone.
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