Yes: When penises and mouths get together, there's more to be shared than just skin bacteria, jock-itch fungi, and semen. STD's such as syphilis, genital herpes, papilloma viruses, chlamydia, gonorrhea, etc., are all sharable. HIV viruses and hepatitis B viruses are more of a worry if there is some blood involved. Of these STD's, some papilloma viruses and hepatitis B viruses are vaccine-preventable.
Answered 8/8/2016
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Low risk, not zero: Oral sex can be considered safe sex, with much lower chance of HIV or STDs than vaginal or anal sex. Near zero risk for HIV; there has never been a proved case of HIV transmission mouth to penis. Slight risks for gonorrhea, herpes due to HSV1, and nongonococcal urethritis (NGU); near zero for chlamydia and HSV2. You both still need testing; NEVER have sex with someone whose HIV status isn't known!
Answered 8/22/2016
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Unlikely: This would not transmit HIV but if he has some active infection in his oral cavity, this may remotely transmit an infection. On the contrary, BJ has been linked to throat cancer if the recipient has a HPV infection.
Answered 8/8/2016
1.1k views
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