A member asked:

I had sex 8 months ago and took a std test today. the results of the test for hiv antibodies reflected negative yet, an rna test reflected positive. i have zero symptoms and will be retesting tomorrow. what are the odds of me having it/false positive?

3 doctors weighed in across 2 answers
Dr. Hunter Handsfield answered

Specializes in Infectious Disease

Probably false pos: These are unusual test results. Almost certainly one of them is false, probably the RNA test, especially if your exposure was low risk (e.g. heterosexual), and probably you don't have HIV. Do not simply go through a laboratory or otherwise arrange for your your own re-testing. See a doctor about this, preferably an STD/HIV or infectious diseases specialist. Good luck.

Answered 4/24/2023

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RNA test more sendut: Antibody tests are less effective to diagnose early HIV as it may take 3 months or more to develop antibodies. The RNA test measures genetic material on the virus so it will be positive if virus is present. Researchers say it is 99% effective. However you really need to see an Infectious Disease specialist as they evaluate and treat HIV issues rather than urologists.

Answered 2/1/2021

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