Post-Injury Swelling and Scar Healing in the Foot - Surgery

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The wound has scabbed over and left a scar, and there is still some slight swelling?


About a month ago, I fell while riding a bike, and I have a scrape on the dorsum of my right foot that is approximately 5 centimeters long (starting 4 centimeters behind the big toe).
The scab fell off about a week ago.
Although it is not very noticeable now, there is still slight swelling in my right foot compared to my left foot, particularly in the big toe, which is more pronounced.
Due to the swelling, I find it difficult to bend my big toe, and sometimes I experience a bit of pain on the inner side when walking or pulling my toes backward.
Additionally, there is a small area on the left side of the scar that feels slightly numb when pressed.
I would like to know if this is due to the wound not fully healing, or if there could be other issues such as nerve or bone damage.

Qiao, 20~29 year old female. Ask Date: 2013/07/29

Dr. Zhang Jinlong reply Surgery


Hello: (1) The injury and swelling of the right big toe may affect the bending of the big toe, indicating that it has not fully healed.
(2) The area of numbness on the left side of the wound may be due to damage to the epidermal nerves in the skin at the time of injury.
(3) As for whether there is a bone injury, an X-ray is necessary to determine that.
Thank you for your message!

Reply Date: 2013/07/29

More Info


After sustaining an injury, such as the one you described from your motorcycle accident, it is common to experience swelling and discomfort in the affected area, particularly in the foot. The healing process can vary significantly from person to person, and several factors can influence the recovery timeline and the symptoms you are experiencing.


Understanding Post-Injury Swelling
Swelling, or edema, is a natural response of the body to injury. When you injure a part of your body, the inflammatory process is activated. This involves increased blood flow and the accumulation of fluid in the tissues surrounding the injury site, which helps to deliver nutrients and immune cells necessary for healing. In your case, the swelling in your right foot, particularly around the big toe, is likely a result of this inflammatory response.

Typically, swelling can persist for several weeks after an injury, especially if the area was significantly damaged. The fact that your scab has fallen off indicates that the superficial skin has healed, but deeper tissues may still be recovering. It is not unusual for swelling to last longer than the visible signs of injury, and it can fluctuate based on activity levels, positioning of the foot, and other factors.


Scar Healing and Sensitivity
The area around your scar may still be sensitive and could exhibit symptoms such as tingling or a "pins and needles" sensation. This could be due to nerve endings being affected during the injury or the healing process. Scar tissue can form differently than normal tissue, and it may not have the same elasticity or sensitivity. The discomfort you feel when pressure is applied to the area could indicate that the underlying tissues are still healing or that there is some nerve irritation.


Pain and Limited Mobility
The pain you experience when trying to bend your big toe or when walking may be attributed to several factors:
1. Residual Swelling: The swelling can restrict movement and cause discomfort, especially if it is pressing against the surrounding structures.


2. Scar Tissue Formation: Scar tissue can sometimes limit the range of motion in joints, leading to stiffness and pain during movement.

3. Nerve Involvement: If the injury affected nearby nerves, you might experience pain or altered sensations in the area. This could explain the "numb" feeling you described.

4. Underlying Bone or Joint Issues: While your initial assessment may not have indicated bone damage, it is essential to monitor for any persistent pain that could suggest a more complex injury, such as a fracture or joint issue.


Recommendations for Recovery
1. Rest and Elevation: Ensure that you are giving your foot adequate rest and elevating it when possible to reduce swelling.

2. Ice Therapy: Applying ice to the swollen area can help manage inflammation and pain. Use ice packs for 15-20 minutes several times a day.

3. Gentle Movement: While rest is crucial, gentle range-of-motion exercises can help maintain flexibility in the toe and foot. Avoid pushing through pain, and consult a physical therapist if needed.

4. Monitor Symptoms: Keep an eye on your symptoms. If swelling persists or worsens, or if you experience increased pain, it may be wise to seek further evaluation from a healthcare professional.

5. Follow-Up Care: If you have concerns about nerve damage or if the pain continues, consider scheduling a follow-up appointment with a physician. They may recommend imaging studies, such as an X-ray or MRI, to rule out any underlying issues.


Conclusion
In summary, the symptoms you are experiencing are likely part of the normal healing process following your injury. However, it is essential to monitor your recovery closely and seek medical advice if you have concerns about persistent swelling, pain, or mobility issues. Healing can take time, and being proactive about your recovery will help ensure the best possible outcome.

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