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How likely am I to get HIV or other STDs from receiving an unprotected oral sex


5 weeks ago, I received an unprotected oral sex from a woman whom I hardly knew her but she does look like she is sexually active. She gave me oral sex and did insert her finger into my anus with lubricant for a few minutes It was my first time receiving an oral sex and I've gotten so worried when I started searching through the internet.The second day after the encounter, I had burning sensation when urinating but it lasted only 2-3 days. I did drink a lot of water that time to get rid of that pain.It's been 5 weeks now and I haven't had any other symptom. Would it be HIV or chlamydia or gonorrhea? Or it is just a coincidence.Please advise. Thank you in advance!


Hello and Thank You for using the AIDS Vancouver Helpline as your source of HIV/AIDS related information.
First, it is important to note that "looking sexually active" does not mean that someone is at a higher risk of being HIV positive. Rather, it is the activities that someone engages in (unprotected sex and needle sharing) that has an impact. 
Although there is an exchange of bodily fluids during oral sex, no one has ever acquired HIV from receiving oral sex. This is because saliva is not one of the fluids that has the potential to pass HIV. Those fluids that DO have the potential are blood, semen, rectal secretions, pre-cum, vaginal fluids, and breast milk. 
Other STI's do have a potential to be passed from receiving unprotected oral sex including gonorrhea, syphilis, chlamydia and HPV.
Here is a link with more information regarding the risks of receiving unprotected oral sex:
Insertion of her finger into your anus is zero risk for the passing of HIV, since there is no body fluid involved. 
We recommend that individuals do not search about activities or symptoms related to HIV on the internet, since it is an un-moderated place. HIV does not have any checklist of symptoms, and this is exactly why testing is the only way to know for sure. 
Lots of STIs do not have any initial symptoms, therefore, we recommend regular HIV and STI testing to everyone who is sexually active, including those engaging in oral sex. On an individual basis this may be annually, bi-annually, or every few months. 
Please feel free to write back with any more questions/concerns.
AIDS Vancouver Helpline Volunteer
E-mail: helpline@aidsvancouver.org
Phone (Mon-Fri 9-4pm): (604) 696-4666
Web: www.aidsvancouver.org/helpline