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STIs can be acquired by a man through any form of sexual contact. The question is which STIs can you acquire from a specific type of sex act.

We will approach this based on the type of sexual engagement – getting or giving oral sex, receiving or giving anal sex.

Below represents the risk to the man based on the sex act performed.

HIV Chlamydia Gonorrhoea Syphillis Herpes Hepatitis B *Hepatitis C Trichosomonas Mycoplasma/ Ureaplasma
Giving Oral sex to your partner’s penis Extremely low risk- provided no sores or no ejaculation or precum in the mouth Yes risk exist. Chlamydia can be transmitted to your throat Yes risk exists. Gonorrhoea can be transmitted to your throat Yes risk exists, esp if there are sores over the penis Yes risk exists Yes risk exist esp if bleeding/sores on the penis Negligible risk Low risk Low risk
Getting oral sex to your penis Negligible risk provided no open sores or bleeding in your partners mouth Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists esp if bleeding/ sores in your partners mouth Negligible risk Low risk Low risk
Giving Anal sex to your partner’s anus “Top” Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists.
Getting Anal sex to your anus “Bottom” Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists. Yes risk exists.

*The risk of acquiring Hepatitis C via sexual contact is significantly lower than Hepatitis B. Hepatitis C is more likely transmitted via injection drug use, needle stick injury, organ transplant, birth to a hepatitis C infected mother, receipt of blood products or direct blood contact into open wounds.

*Hepatitis B is 50-100 times more infectious than HIV and is easily transmitted through sexual activity.

Our doctors are ready to listen to your issues. Visit us at InSync Medical Located along East Coast Road in the heart of Katong, Singapore. We also open on Sundays to serve you.