Toenail Issues: Causes and Solutions for Nail Damage - Surgery

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Recently, it seems that wearing shoes that were too small for two days at work caused foot pain.
I recently discovered that one of my big toes appears to have bruising, while the other foot is oozing yellowish fluid.
Now, it has become very fragile, and there is already a phenomenon of nail detachment, where the entire nail can be lifted off...
it looks really scary! What is this phenomenon?

Xiao Er~!, 10~19 year old female. Ask Date: 2005/12/12

Dr. Huang Junxiong reply Surgery


Hello: It may be due to the shoes being too small, causing compression that resulted in a subungual hematoma, leading to the separation of the nail from the nail bed.
This has caused the appearance of yellow fluid (either from the dissolution of the blood clot or from tissue fluid) and the phenomenon of nail detachment.
Wishing you good health!

Reply Date: 2005/12/12

More Info


Toenail issues can arise from various causes, and your symptoms suggest a combination of trauma and possibly an infection. The pain you experienced from wearing shoes that were too small likely led to trauma to your toenails, which can result in several conditions, including subungual hematoma (a collection of blood under the nail), onycholysis (nail separation), and potential fungal or bacterial infections.


Causes of Toenail Damage
1. Trauma: The most common cause of toenail damage is trauma, which can occur from ill-fitting shoes, stubbing your toe, or repetitive pressure on the toenails. In your case, wearing shoes that were too small for two days likely caused significant pressure and trauma, leading to the symptoms you described.

2. Subungual Hematoma: This occurs when blood collects under the nail due to trauma. It can cause pain and discoloration, often appearing as a dark spot under the nail. If the pressure becomes too great, it may require drainage.

3. Onycholysis: This condition involves the separation of the nail from the nail bed, which can occur due to trauma, infections, or underlying health conditions. The yellow fluid you mentioned could indicate an infection, particularly if the nail is lifting away from the nail bed.

4. Fungal Infections: Fungal infections can also cause discoloration, thickening, and separation of the toenail. They often thrive in warm, moist environments, such as those created by tight shoes.

5. Bacterial Infections: If there is an open wound or if the nail has separated from the nail bed, bacteria can enter and cause an infection, leading to pus formation and increased pain.


Solutions and Treatments
1. Immediate Care: If you notice significant pain, swelling, or discharge, it’s essential to seek medical attention. A healthcare provider can assess the extent of the damage and may need to drain any accumulated blood or fluid.

2. Nail Care: Keep the affected area clean and dry. Avoid further trauma by wearing open-toed shoes or sandals until the nail heals. If the nail is lifting, avoid pulling it off, as this can lead to further injury or infection.

3. Topical Treatments: If there is a fungal infection, antifungal creams or ointments may be prescribed. For bacterial infections, antibiotics may be necessary.

4. Pain Management: Over-the-counter pain relievers such as ibuprofen or acetaminophen can help manage pain and inflammation.

5. Nail Growth: If the nail has been severely damaged or removed, it may take several months for a new nail to grow back fully. During this time, protect the nail bed and keep it clean to prevent infections.

6. Preventive Measures: To prevent future issues, ensure that your shoes fit properly and provide adequate space for your toes. Regularly trim your toenails straight across and avoid cutting them too short.


When to See a Doctor
You should see a healthcare provider if:
- The pain is severe or worsening.

- There is significant swelling or redness around the nail.

- You notice pus or other discharge.

- The nail continues to separate or if you have concerns about an infection.

In summary, your symptoms indicate possible trauma-related toenail damage, which could lead to complications if not addressed properly. Seeking medical advice is crucial to ensure appropriate treatment and to prevent further issues.

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