Infection Risks in Urology: Hand Hygiene and Self-Stimulation - Urology

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Infection issues


If I wash or disinfect my hands before masturbating, but one hand touches a mouse and then I touch my penis, or if my penis comes into contact with other objects like a chair or table, and then I wash with water after masturbating, is there a risk of infection? I'm a bit concerned.

XX, 20~29 year old female. Ask Date: 2021/06/25

Dr. Du Shixi reply Urology


Hello: If it is public equipment, it is recommended to wash it frequently (although the chances are low).
If it is personal equipment, it can be washed when it is dirty.
Wishing you good health.

Reply Date: 2021/06/25

More Info


When it comes to understanding the risks of infection related to self-stimulation and hand hygiene, it's essential to clarify a few key points about how infections, particularly sexually transmitted infections (STIs) like HIV, are transmitted.

Firstly, HIV (Human Immunodeficiency Virus) is primarily transmitted through specific routes: sexual contact with an infected person, sharing needles, and from mother to child during childbirth or breastfeeding. The virus does not survive long outside the human body, which significantly reduces the risk of transmission through environmental surfaces. In fact, studies have shown that HIV cannot survive for extended periods outside of the human body, making transmission through inanimate objects extremely unlikely.

In your scenario, if you wash your hands or use hand sanitizer before engaging in self-stimulation, you are significantly reducing the risk of transferring any pathogens that may be present on your hands to your genital area. If you then touch a mouse or other surfaces and subsequently touch your genitals, the risk of infection remains very low, especially if you have not come into contact with any bodily fluids from an infected person.

It's important to note that while HIV is not a concern in this context, other infections could theoretically be transmitted if you were to touch a contaminated surface and then your genitals. However, the likelihood of this happening is still quite low, especially if you maintain good hygiene practices. The skin acts as a barrier to many pathogens, and unless there are open wounds or significant abrasions, the risk of infection is minimal.

Regarding your concern about touching surfaces like chairs or tables, the same principle applies. Most pathogens, including those that cause sexually transmitted infections, do not survive well on surfaces. For example, the HPV (Human Papillomavirus), which can cause conditions like warts, is primarily transmitted through direct skin-to-skin contact rather than through surfaces. Therefore, the risk of contracting such infections through indirect contact is very low.

If you are particularly concerned about hygiene, here are some recommendations to further minimize any potential risks:
1. Hand Hygiene: Always wash your hands thoroughly with soap and water before and after any sexual activity, including self-stimulation. If soap and water are not available, use an alcohol-based hand sanitizer.

2. Clean Surfaces: If you are in a public restroom or shared space, consider using disinfectant wipes to clean surfaces you may touch, such as toilet seats or handles.

3. Avoid Touching Your Face: After touching surfaces, try to avoid touching your face, especially your mouth, nose, or eyes, until you have washed your hands.

4. Monitor for Symptoms: If you ever experience unusual symptoms, such as irritation, discharge, or pain, consult a healthcare professional for evaluation.

In conclusion, while it is always good practice to maintain hygiene, the specific scenario you described poses a very low risk for infections, including HIV. By following proper hand hygiene and being mindful of your surroundings, you can significantly reduce any potential risks associated with self-stimulation. If you have ongoing concerns or specific symptoms, it is advisable to consult a healthcare provider for personalized advice and evaluation.

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