Common factors for a positive hiv test after testing negative at ten weeks

[Bob_197]

I have seen it posted many times that it is very rare for someone to test positive for hiv after testing negative at ten weeks.  What are the common factors associated with those rare cases in which a positive hiv test does occur after a negative test at ten weeks?  Please address this question for a 3rd generation antibody blood test with reflexes.

Thank you,

Bob

[Bob_197]

Just to be precise, the first canker sore occurred the day after the potential HIV exposure / Chlamydia infection.

[Bob_197]

I just discovered that my 3rd generation HIV antibody test was actually taken 102 days after my potential HIV exposure involving a broken condom.  This makes me feel better since most people agree that this test is conclusive after three months.  My only concern is that I had some canker sores in the back of my mouth a few days after the potential HIV exposure, and then again about five weeks (37 days) later.  Could these canker sores have been caused by my Chlamydia infection?  Do I still need to retest for HIV?

Thank you,

Bob

[Iwan25]

No it will not delay production. Test again in two weeks for a conclusive result

[Bob_197]

Hi Iwan25,

Thank you for the clarification.  I had sex with a condom, but then tested positive for Chlamydia after ten weeks.  So, I assume that the condom unfortunately broke.  All other STD tests were negative.  Does a positive test for Chlamydia at ten weeks affect any other STD tests?  Could Chlamydia delay the production of HIV antibodies?

Thank you,

Bob

[Iwan25]

Bob it is very rare for it to turn positive at 10 weeks. However antibody tests should be taken at 12 weeks for a conclusive result. Retest in two weeks. Wantonjoe's one case of CMV is not statistically significant and therefore not a reliable indicator of CMV delaying seroconversion. I've stated this in his own post but he's  convinced himself he is the one with delayed seroconversion.

[Bob_197]

I tested negative for hepatitis A,B, and C at ten weeks.  How accurate is this test at ten weeks?  

Thank you,

Bob

[wantonjoe]

Coinfection with Hepatitis C has also been known to delay HIV seroconversion, according to a handful of case studies.

There is also 1 study with mentions immunosuppression caused by CMV virus infection caused delayed seroconversion.

[Bob_197]

That is reassuring news.  My understanding is that someone that falls into one of these categories would be slow to produce antibodies when infected with HIV.  What about for people with normal, healthy immune systems?  Under what conditions would for someone with a normal, healthy immune system test positive for HIV after having tested negative at ten weeks?

Thank you,

Bob

[Iwan25]

Chemotherapy, serious immunodeficiency diseases and testing too early after PEP.

[Iwan25]

Chemotherapy, serious immunodeficiency diseases and testing too early after PEP.