[Question #2551] STI Risk After Unprotected Oral Sex
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97 months ago
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Im a gay man that screwed up and went outside of my monogamous relationship and had unprotected oral sex with two men. The first incident occurred 8/3/17 and the guy only performed oral for less than a minute and I did not ejaculate in his mouth. I did not reciprocate. The second occurred 8/6/17 and the guy performed oral for a few minutes and I ejaculated inside of his mouth. I reciprocated briefly but he did not ejaculate in my mouth. I am freaking out that I may have an STI and that I could give it to my partner. I did not notice any sores or open wounds on either guys mouth and both indicated they were negative of STIs. What are the chances I contracted something? It's only been a few days but I decided to get tested and am awaiting the results. I plan to get tested again in a few weeks and again a couple of months but my anxiety has been through the rough that I feel like I am causing phantom pains. I have not exhibited any discharge or burning while I pee but I'm so scared. Please help!
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Edward W. Hook M.D.
97 months ago
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Welcome to our Forum. I'll be pleased to comment on the risk for STIs, including HIV from your recent encounters outside of your relationship. Oral sex is typically low, but not no risk. Overall it is unlikely that your partner had an STI (did you ask them about STIs or HIV? If not, can you? - if they have been recently tested and are negative, your risk is essentially zero).
Gonorrhea, chlamydia and NGU can occur following receipt of oral sex although quite rarely. When they do, they are usually symptomatic within a week of exposure. In addition, gonorrhea and very, very rarely chlamydia can be acquired from performing oral sex on an infected person.
Your risk for syphilis is likewise very low, particularly if you did not see a lesion on your partner. If you had acquired syphilis, you would most likely develop a sore at a site of contact at about 3 weeks (21 days) after your exposure. Blood tests are highly reliable any time more than 6 weeks after exposure.
As far as HIV is concerned, no one has ever been proven to acquire HIV from receipt of oral sex from an infected partner and the risk for acquiring HIV by performing oral sex on an infected partner occurs on average only once in every 10,000 acts of oral sex.
Bottom line- your risk for getting any STI from the exposures you describe is quite low. For the other potential infections you can rule out gonorrhea and chlamydia easily with a urine test and throat swab at this time. For syphilis and HIV a blood test at six weeks after your last exposure will provide you with reliable information that you were not infected. I hope these comments are helpful. EWH
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97 months ago
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Thanks doc. I asked both if they were negative and clean and they both said yes, one even mentioned he was on PreP. I wasn't too concerned with the HIV risk but more so with chlamydia and gonnoreha. Again, neither of them exhibited signs of sores, broken skin, or open wounds in their mouths and only one of them performed oral to completion with myself ejaculating in their mouth. I am hoping the risk is low and that I am in the clear because I greatly regret both situations and do not want to pass anything to my partner I am awaiting the rapid test results and am hopeful they come back negative. Is my plan to get tested in a couple weeks and again in a couple months adequate?
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Edward W. Hook M.D.
97 months ago
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Good job for asking- that's a great first step in staying safe. Indeed, overall, the risk is quite low. You can test now for gonorrhea and chlamydia as I explained above and when those tests are negative there is no need for further testing. Similarly, a single blood test at 6 weeks will be definitive for you as well. EWH
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