Can Washing Underwear Lead to STDs or Infections? - Urology

Share to:

Is there a concern for infection?


Hello, Doctor.

1.
Is there a possibility of contracting a sexually transmitted infection or other diseases if I wash my family member's underwear?
2.
Is there a risk of indirect infection? For example, after washing the underwear, if I use the restroom and wipe my intimate areas.
Thank you, Doctor.

Kk, 20~29 year old female. Ask Date: 2023/05/23

Dr. Du Shixi reply Urology


Hello: 1.
No.
2.
No, wishing you good health.

Reply Date: 2023/05/23

More Info


When it comes to the transmission of sexually transmitted diseases (STDs) and infections, understanding the routes of transmission is crucial. In response to your question about whether washing underwear can lead to STDs or infections, let's break it down.

1. Washing Underwear and STD Transmission: The primary modes of transmission for STDs, including HIV, are through direct contact with infected bodily fluids during sexual activities, sharing needles, or from mother to child during childbirth or breastfeeding. The risk of contracting an STD from washing someone else's underwear is extremely low. This is because most pathogens, including those that cause STDs, do not survive long outside the human body. They require a specific environment to remain viable, and the conditions in a washing machine—such as water temperature, detergent, and agitation—are generally not conducive to the survival of these pathogens.

2. Indirect Infection Risk: Regarding the concern of indirect infection, if you wash underwear and then use the restroom without thoroughly washing your hands, there is a minimal risk of transferring any pathogens to your genital area. However, this risk is very low. Good hygiene practices, such as washing your hands thoroughly with soap and water after handling laundry, can significantly reduce any potential risk.
3. Proper Hygiene Practices: To further minimize any risk of infection, it is advisable to follow these hygiene practices:
- Wash Hands: Always wash your hands after handling laundry, especially if it involves items that may have come into contact with bodily fluids.

- Use Hot Water: Washing underwear in hot water with a good detergent can help eliminate any potential pathogens.

- Avoid Cross-Contamination: If you are concerned about cross-contamination, you can wash underwear separately from other clothing items.

4. Understanding Infection Risks: It is important to note that while the risk of contracting STDs through laundry is negligible, other infections can be transmitted through contaminated surfaces or items. For instance, bacteria such as E. coli or viruses like norovirus can be transmitted through contaminated fabrics. However, these are not classified as STDs.

5. Conclusion: In summary, the likelihood of contracting an STD from washing someone else's underwear is extremely low, provided that you practice good hygiene. If you have concerns about specific infections or symptoms, it is always best to consult a healthcare professional for personalized advice. Regular health check-ups and practicing safe sex are also effective ways to reduce the risk of STDs.

In conclusion, while it is always wise to be cautious and maintain good hygiene practices, washing underwear does not pose a significant risk for STD transmission. By following proper hygiene protocols, you can further ensure your safety and health.

Similar Q&A

Can Washing Underwear at a Laundromat Spread Herpes or STDs?

Washing and drying underwear at a laundromat does not transmit herpes simplex virus or sexually transmitted infections (STIs). If you wash your underwear and wear them immediately afterward, there is no risk of contracting herpes or STIs from the laundry process.


Dr. Cai Zhuorong reply Urology
Washing and drying underwear at a laundromat will not result in contracting herpes simplex virus or sexually transmitted infections (STIs). Even if I wash my underwear and wear them immediately afterward, the primary mode of transmission for herpes and STIs remains sexual contact...

[Read More] Can Washing Underwear at a Laundromat Spread Herpes or STDs?


Can Sharing Underwear Lead to STDs? Understanding Urology Concerns

The doctor would like to ask you: Recently, I exercised without wearing compression shorts (athletic tight underwear) and borrowed a pair from a classmate. He said it was washed and clean. I would like to know if sharing underwear could lead to any sexually transmitted infections...


Dr. Sun Hongshun reply Urology
Hello, Student Jin: Please don't worry! The chances of any issues are extremely low, so try not to be overly concerned, as it could lead to psychological stress and potentially result in mental health disorders. If you experience any symptoms, feel free to consult us in the ...

[Read More] Can Sharing Underwear Lead to STDs? Understanding Urology Concerns


Can Washing Underwear Prevent Recurrent Gonorrhea Infections?

Hello, doctor. I was treated for gonorrhea at the hospital last year. I would like to ask if I washed my underwear in the washing machine with detergent and then air-dried them, will wearing those underwear again put me at risk for reinfection?


Dr. Li Xinyi reply Urology
Based on your description, it seems that reinfection will not occur.

[Read More] Can Washing Underwear Prevent Recurrent Gonorrhea Infections?


Reducing STD Risks: Insights on Safe Practices with Sex Workers

Hello, doctor. I would like to ask, when engaging in sexual relations with sex workers, aside from consistently using condoms, 1. Does wearing disposable cotton underwear reduce the risk of sexually transmitted infections (STIs) through skin contact? 2. If the disposable cotton u...


Dr. Du Shixi reply Urology
Hello: 1. Yes, but it doesn't have a significant impact. 2. Not much. 3. It is possible; having contact with bodily fluids during cleaning can reduce the risk of infection. Wishing you good health.

[Read More] Reducing STD Risks: Insights on Safe Practices with Sex Workers


Related FAQ