Can Men with Blood in Urine Wash Underwear with Family? Risks Explained - Urology

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Can a male with hematuria wash his underwear with family members' laundry?


Hello, doctor: I would like to ask if a male with hematuria can wash his underwear together with family members' laundry in the washing machine.
Is there a risk of transmission? What infectious diseases could be a concern? Or are there specific infectious diseases that would prevent washing underwear together?

Tianshang Renjia, 30~39 year old female. Ask Date: 2021/03/21

Dr. Du Shixi reply Urology


Hello: There is no need to wash separately for sexually transmitted infections; as long as the washing machine is functioning properly, it should be fine.
Blood in urine should also not be an issue.
Wishing you good health.

Reply Date: 2021/03/21

More Info


When it comes to washing underwear from a male with hematuria (blood in urine) alongside family laundry, there are several considerations to keep in mind regarding hygiene and potential transmission of infections.
Firstly, hematuria itself can be caused by a variety of conditions, some benign and others more serious. Common causes include urinary tract infections (UTIs), kidney stones, trauma, or more serious conditions like tumors. However, the presence of blood in urine does not inherently indicate a contagious disease. The primary concern with washing such items is not about infectious diseases but rather about general hygiene practices.

In terms of washing clothes, the washing machine is designed to effectively clean and sanitize fabrics. The use of hot water and detergent can help eliminate bacteria and viruses. Therefore, washing the underwear with family laundry is generally acceptable as long as standard washing practices are followed. It is advisable to wash items with visible blood stains separately if there is a concern about hygiene, but this is more about cleanliness than infection risk.

Regarding the transmission of infectious diseases, the risk of spreading infections through laundry is minimal. Most pathogens, including those that cause sexually transmitted infections (STIs) like HIV or hepatitis, do not survive long outside the human body, especially in dried blood. For example, HIV is not transmitted through casual contact or through surfaces and fabrics. The virus does not survive well outside the human body, and the likelihood of transmission through dried blood on clothing is extremely low.
However, certain infections, such as hepatitis B and C, are bloodborne and can be transmitted through direct contact with infected blood. If the blood on the clothing is from an individual with a known bloodborne infection, it is prudent to take extra precautions. In such cases, it is best to wash those items separately and ensure that any cuts or abrasions on the skin are covered to prevent exposure.

In the context of your question, if the blood in the underwear is from a non-infectious source (e.g., a benign condition), there is no significant risk of transmission to family members through shared laundry. However, if there is any uncertainty about the source of the blood or if the individual has a known infectious disease, it would be wise to take precautions such as wearing gloves when handling the laundry and washing the items separately.

In conclusion, while it is generally safe for a male with hematuria to wash his underwear with family laundry, it is essential to consider the source of the blood and the health status of the individual. Maintaining good hygiene practices, such as washing hands thoroughly after handling laundry and using appropriate washing techniques, will further minimize any potential risks. If there are ongoing concerns about health or hygiene, consulting a healthcare professional for personalized advice is always a good approach.

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