Concerns About Swallowing Toothbrush Bristles: What You Need to Know - Otolaryngology

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I'm not sure if I accidentally swallowed some bristles while brushing my teeth?


Hello doctor, while brushing my teeth, I felt a bit of a snag with my front tooth, so I used my toothbrush to clean it.
I'm not sure if the gap is too small and if I might have accidentally swallowed some bristles when pulling it out.
Afterward, I drank water and didn't feel any pain, although my family thinks I probably didn't swallow anything and it was just a sensation from pulling it out.
However, I'm still a bit worried and would like to know if swallowing bristles could cause any issues, and what symptoms I might experience.
I looked in the mirror but couldn't see anything.
Although the bristles aren't as hard as bones or fish bones, I would like to ask the doctor for advice.

Han, 10~19 year old female. Ask Date: 2020/04/06

Dr. Zheng Jueyi reply Otolaryngology


Hello: Generally, if something is accidentally swallowed, it will be excreted with the stool.
It is rare for it to become lodged in the body and cause an infection.
If there are no obvious symptoms such as swallowing pain or fever, self-observation is usually recommended.
Wishing you safety and health.
Sincerely, Dr.
Cheng Jue-Yi, Director of the Department of Otolaryngology, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2020/04/06

More Info


Swallowing toothbrush bristles can understandably cause concern, especially if you're unsure whether it actually happened. While it’s relatively uncommon for bristles to be swallowed, it’s important to understand the potential implications and what to do if it occurs.

First, let's address the anatomy of toothbrush bristles. Most toothbrushes are made from nylon, which is a flexible material. If a bristle were to be swallowed, it would likely pass through the digestive system without causing harm, as nylon is not toxic and is generally inert. However, there are a few considerations to keep in mind.

1. Symptoms of Swallowing Bristles: If you did swallow a bristle, you might not experience any immediate symptoms. However, if a bristle were to become lodged in your throat or esophagus, you could experience discomfort, difficulty swallowing, or a sensation of something being stuck. In rare cases, it could lead to more serious complications, such as an obstruction or injury to the digestive tract.

2. Monitoring Your Condition: Since you mentioned that you felt no pain after drinking water, this is a good sign. If you had swallowed a bristle, it would likely have caused some discomfort or irritation. It’s important to monitor yourself for any unusual symptoms, such as persistent pain, difficulty swallowing, or changes in your ability to eat or drink.

3. What to Do Next: If you continue to feel anxious about the possibility of having swallowed a bristle, it may be helpful to consult a healthcare professional. They can perform a physical examination and, if necessary, imaging studies (like an X-ray) to determine if there is any obstruction or if the bristle is present in your digestive system.

4. Preventive Measures: To avoid this situation in the future, ensure that you are using your toothbrush correctly. Avoid applying excessive pressure when brushing, especially in tight spaces between teeth. If you feel that a bristle is stuck, it’s better to use dental floss or a soft pick designed for cleaning between teeth rather than forcing the toothbrush into the area.

5. Dental Hygiene Practices: Maintaining good dental hygiene is crucial. Regular brushing, flossing, and dental check-ups can help prevent issues that might lead to using your toothbrush inappropriately. If you have concerns about your teeth or the fit of your toothbrush, consider discussing these with your dentist, who can provide tailored advice and possibly recommend a toothbrush that better suits your needs.

In conclusion, while swallowing a toothbrush bristle is not common and is unlikely to cause significant harm, it’s important to be aware of your body and any symptoms that may arise. If you have ongoing concerns or experience any discomfort, do not hesitate to seek medical advice. Your health and peace of mind are paramount, and a healthcare professional can provide reassurance and guidance.

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