Can You Get Infected from Using a Public Toilet?

Will I get any diseases?

Hello, doctor.
I am a male.
Yesterday, I had a sudden urge to defecate and rushed into the restroom.
The toilet was a seated type, and I noticed that there seemed to be urine from someone else in the bowl.
Because I was in a hurry, I didn’t flush before using it.
I was in a semi-squat position, which meant my buttocks were quite far from the water.
After I defecated, the stool fell into the water, causing splashes that hit my buttocks several times.
A few days ago, I experienced some constipation and had pain in my anus, as if there were a wound.
I would like to know if I could contract any diseases from this situation.
I am unsure what other substances might be in the unflushed water besides the previous person's urine.
Thank you.

Niming, 20~29 year old female. Ask Date: 2023/02/14

Dr. Hong Yuanbin reply Internal Medicine

Hello, based on your description, it seems that your concern about potential infection from contact with urine or dirty water is not warranted.
You don't need to worry.
Thank you for your question.

Reply Date: 2023/02/14

More Info

Using public toilets can often raise concerns about hygiene and the potential for infections, especially when it comes to bodily fluids. Your situation, where you used a toilet that had visible urine and experienced splashing, understandably raises anxiety, particularly since you mentioned having a painful anus with a possible injury.
Firstly, it’s important to understand the transmission routes of infections. Most sexually transmitted infections (STIs), including HPV, HIV, and others, are primarily spread through direct sexual contact, not through casual contact with surfaces or splashes from toilet water. The risk of contracting an STI from using a public toilet is extremely low.
In your specific case, the splashing of toilet water that may have contained urine is unlikely to pose a significant risk for infection. Urine from a healthy individual is generally sterile, meaning it does not contain bacteria or viruses that can cause disease. However, if the previous user had an infection, the risk remains low because most pathogens require a direct route of entry into the body, such as through mucous membranes or open wounds.

Regarding your concern about the potential for infection due to the injury around your anus, while it is always wise to be cautious, the likelihood of contracting an infection from toilet water splashes is minimal. The skin acts as a barrier, and unless there is direct contact with infectious material, the risk remains low.
If you are experiencing pain or discomfort around the anal area, it is advisable to keep the area clean and monitor for any signs of infection, such as increased redness, swelling, or discharge. If these symptoms persist or worsen, seeking medical attention would be prudent.
In terms of general hygiene practices when using public restrooms, here are some recommendations to minimize any potential risks:
1. Use Toilet Paper or a Barrier: If you are concerned about cleanliness, consider using toilet paper to cover the seat or using a disposable toilet seat cover if available.

2. Wash Your Hands: Always wash your hands thoroughly with soap and water after using the restroom. This is one of the most effective ways to prevent the spread of germs.

3. Avoid Touching Your Face: Try to avoid touching your face, especially your mouth and eyes, after using public facilities until you have washed your hands.

4. Monitor Your Health: If you notice any unusual symptoms, such as persistent pain, bleeding, or signs of infection, consult a healthcare professional for advice.

5. Stay Informed: Educate yourself about the transmission routes of common infections and practice safe hygiene habits.

In conclusion, while your concerns are valid, the risk of contracting an infection from the scenario you described is quite low. Maintaining good hygiene practices and being aware of your body’s signals will help you manage your health effectively. If anxiety about these situations continues to affect your well-being, consider discussing these feelings with a healthcare provider who can offer support and guidance.

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