Can You Get STDs from Dry Humping in Underwear? Expert Insights - Urology

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Engaging in sexual intercourse while wearing underwear can still pose a risk of sexually transmitted infections (STIs). While the presence of clothing may reduce direct skin-to-skin contact, it does not completely eliminate the risk of transmission, especially if there are any openings or if bodily fluids come into contact with the skin. It is important


I am a male working in Southeast Asia.
During a massage, I was wearing only my underwear, and the masseuse performed oral stimulation on my penis through the fabric, moving from the base to the tip (the penis was fully covered by the underwear).
This contact lasted for about 30 seconds, and I noticed a lot of saliva, making it feel wet.
I am very concerned about the possibility of contracting a sexually transmitted infection (STI) in this situation.
Could you please help me assess the risk? Thank you! Is it necessary for me to get tested for STIs?

Mai Ke, 50~59 year old female. Ask Date: 2020/01/19

Dr. Cai Zhuorong reply Urology


The likelihood is low, but it cannot be completely ruled out.

Reply Date: 2020/01/19

More Info


Engaging in dry humping while wearing underwear does carry a lower risk of transmitting sexually transmitted diseases (STDs) compared to direct genital contact. However, it is important to understand the nuances involved in such interactions.

Firstly, STDs are primarily transmitted through direct contact with infected bodily fluids, including semen, vaginal fluids, and blood. In your case, since both you and the other person were wearing underwear, the likelihood of transmission is significantly reduced. However, there are a few factors to consider:
1. Type of STD: Some STDs, such as herpes or HPV (human papillomavirus), can be transmitted through skin-to-skin contact. If the other person had an active outbreak or lesions in the genital area, there is a potential risk, albeit low, of transmission through the fabric of your underwear.
2. Saliva: While saliva can transmit certain infections (like herpes), the risk of contracting an STD from saliva during dry humping is minimal. The primary concern with oral contact is the potential for oral herpes, but this typically requires direct contact with an infected area.

3. Duration and Intensity: The duration of contact (30 seconds in your case) and the intensity of the interaction can also play a role. Longer and more vigorous contact may increase the risk, but again, the barrier of clothing significantly reduces this risk.

4. Presence of Cuts or Abrasions: If either party has cuts, abrasions, or open sores in the genital area, the risk of transmission can increase. Open wounds can provide a pathway for infections to enter the body.

Given these considerations, while the risk of contracting an STD from the described encounter is low, it is not zero. If you are experiencing any symptoms such as unusual discharge, pain during urination, or sores, it is advisable to seek medical attention and get tested for STDs.
Even in the absence of symptoms, many health professionals recommend regular screenings for sexually active individuals, especially if you have had any potential exposure to STDs. This is particularly important in regions where certain STDs may be more prevalent.

In conclusion, while the risk from your specific encounter appears low, it is always better to err on the side of caution. If you have any doubts or concerns, consulting with a healthcare provider for personalized advice and potential testing is a prudent course of action. Regular health check-ups and open communication with partners about sexual health are essential components of maintaining sexual health.

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