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I did short-length oral sex to a man and I had wounds in my mouth help please

Question: 

Hi, I'm worried because I was masturbating with a man (no risk at all) but I tried to perform some oral sex to him, but after 2 or 3 seconds I realized it wasn't correct so I stopped, and now I'm scared because I washed my teeth like 1 hour before that, and also I had small sores as I'm using braces permanently. I couldn't see any wound or lots of pre-seminal liquid on his penis, but I'm scared because maybe I got infected if he was HIV positive, is there any risk in your opinion? Will a 4th gen test be reliable after 21 days? Thanks for your answer I'm really worried

Answer: 

Hi there,

Thank you for your inquiry. From what we gather from the question, you were asking about your risk of HIV transmission given the act of performing oral sex (2 or 3 seconds) with no visible pre-cum or other fluids, and with micro-tears in your mouth from brushing your teeth 1 hour prior. You were also asking about the reliability of a 4th generation HIV test after 21 days.

From the information given, this scenario is technically a Low Risk (evidence of transmission occurs through these activities when certain conditions are met). Although you describe your encounter as being only 2-3 seconds, HIV transmission does not discriminate against time. 2-3 seconds provides enough time for an exposure, and HIV risk is mostly dependant on the act, not the time involved in the act.

Regardless of this, in the scenario you described you had brushed your teeth recently and are worried about the small sores that provided to you. In the case of performing oral sex, open sores or cuts in the mouth are generally higher risk when large or have freshly happened. In your case, these small sores do not sound large enough to pose a significant risk for HIV transmission.

However, this scenario still technically provides a Low Risk of HIV transmission. For this reason, we would recommend HIV screening.

4th Generation testing methods, specifically the 4th Generation DUO screening detects antibodies between 4-12 weeks, and can be considered conclusive at 6 weeks (1). Other HIV testing method's such as the Pooled RNA NAAT also called the "early test" will detect viral RNA in blood of individuals who do not have detectible antibody levels yet, and is effective after 10-12 days. Lastly, the NAAT (PCR RNA & DNA) test has a window period between 2-3 weeks, and an extremely high accuracy rate (1).

When seeking HIV testing, your local HIV specialist or physician will know, depending on the date of your exposure, which HIV testing method is best for you.

Recommendation: Refer to Physician for HIV testing.

All the best,

AIDS Vancouver Online/Helpline, Cody