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Sun 22 Jan, 2017 04:48 pm
Hey everybody,
About 3 months ago I had sexual intercourse with a "risky" guy. We had unprotected anal sex, unprotected oral. He went testing and results were negative but i was still scared...
I took a 4th gen HIV Ag-Ab test after 10 weeks of exposure. It came back negative. Is it possible that I am still positive and that test was false negative? I am super worried and scared!
Please answer!
Nick ;-)
Can't say I know too much about it, but here's a website from the UK which says the test should be performed after one month and then again at 3 months, just to make sure:
15 March 2010
HIV testing using the latest (4th generation) tests are recommended in the BHIVA/BASHH/BIS UK guidelines for HIV testing (2008). These assays [tests] test for HIV antibodies and p24 antigen simultaneously. They will detect the great majority of individuals who have been infected with HIV at one month (4 weeks) after specific exposure.
Patients attending for HIV testing who identify a specific risk occurring more that 4 weeks previously, should not be made to wait 3 months (12 weeks) before HIV testing. They should be offered a 4th generation laboratory HIV test and advised that a negative result at 4 weeks post exposure is very reassuring/highly likely to exclude HIV infection. An additional HIV test should be offered to all persons at 3 months (12 weeks) to definitively exclude HIV infection. Patients at lower risk may opt to wait until 3 months to avoid the need for HIV testing twice.
Information on this website is provided by treatment advocates and offered as a guide only. Decisions about your treatment should always be taken in consultation with your doctor.
http://i-base.info/qa/3237
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