Concerns About Foreign Objects During Masturbation: What You Need to Know - Urology

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Penile issues


Hello, doctor.
I would like to ask a strange question.
If I have a habit of rubbing my foreskin against my penis during masturbation, is it possible for very small glass shards or metal fibers to accidentally fall into my underwear and get caught in the gap between my foreskin and penis if the clothing is not clean? (I have experienced occasional pubic hairs getting stuck in there, which is uncomfortable.) I am concerned that the friction during masturbation could cause foreign objects to become embedded in my penis.
If that were to happen, would it be very obvious or cause severe pain? Or am I just overthinking this? Thank you.

A, 30~39 year old female. Ask Date: 2019/03/04

Dr. Du Shixi reply Urology


Hello: It is possible, but it depends on the size of the foreign object.
If it is larger, it will be detected.
If it is harder, it will also be detected.
Wishing you good health.

Reply Date: 2019/03/04

More Info


When it comes to concerns about foreign objects during masturbation, it’s essential to understand both the anatomy involved and the potential risks associated with such practices. Your question raises valid points about hygiene and the potential for injury, particularly if there are foreign materials present on clothing or in the environment.

First, let’s address the anatomy. The penis, particularly the glans (the tip), is sensitive and can be easily irritated. The foreskin, if present, can also trap small particles or debris, which could lead to discomfort or irritation. If you are using clothing to facilitate masturbation, it is crucial to ensure that the fabric is clean and free from any foreign objects, such as glass shards or metal fibers, which can cause injury.

The concern about small glass fragments or metal fibers getting trapped between the foreskin and the penis is not unfounded. While it is relatively uncommon for such small particles to cause significant harm, it is still possible. If a foreign object were to become lodged in this area, it could lead to irritation, inflammation, or even injury. Symptoms might include pain, redness, swelling, or unusual discharge. In some cases, if the object is sharp enough, it could cause cuts or abrasions, which could lead to infection.

If you experience any discomfort during or after masturbation, it is advisable to examine the area carefully. Look for any signs of injury, such as cuts, redness, or swelling. If you notice anything unusual, or if you experience persistent pain, it is essential to consult a healthcare professional. They can provide a thorough examination and determine if any treatment is necessary.

Regarding your concern about whether the presence of a foreign object would be noticeable or cause severe pain, it largely depends on the size and nature of the object. Small particles may not cause immediate pain but could lead to irritation over time. In contrast, larger or sharper objects would likely cause noticeable discomfort and could lead to more severe injury.

To minimize the risk of injury during masturbation, consider the following precautions:
1. Hygiene: Always ensure that any clothing or materials used are clean. Avoid using items that could potentially harbor foreign objects.

2. Awareness: Be mindful of your surroundings and the materials you are using. If you notice any discomfort, stop and check for any foreign objects.

3. Gentle Techniques: Use gentle motions to avoid irritation or injury to the sensitive skin of the penis and foreskin.

4. Consultation: If you have ongoing concerns or experience any unusual symptoms, do not hesitate to reach out to a healthcare provider for advice.

In conclusion, while the risk of foreign objects causing significant harm during masturbation is relatively low, it is not impossible. Maintaining good hygiene and being aware of your body can help prevent potential issues. If you have any doubts or experience discomfort, seeking medical advice is always a prudent course of action.

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