Swelling and Itching After an Ankle Injury from a Car Accident

Swelling in the foot after a car accident?

After my car accident, I have a bruise near my ankle by the tibia, and the area is swollen.
However, there are no visible abrasions or scabs on the swollen area.
After 10 days, the swollen area started to itch, but it hasn't gone down yet, and there are no signs of redness or other symptoms.
Is it normal for the swollen area to itch, or should I see a doctor? Thank you.

Li, 20~29 year old female. Ask Date: 2020/05/20

Dr. Liao Yaopan reply Family Medicine

Hello, the injured area continues to swell.
It is advisable to return to the orthopedic department for evaluation to confirm the condition.
The itchy area also needs to be examined.
Online consultations are not equivalent to in-person medical visits and cannot provide diagnoses or treatment recommendations.
Changhua Hospital cares about you.

Reply Date: 2020/05/20

More Info

After a car accident, it is not uncommon to experience swelling and itching in the area surrounding an injury, such as near the ankle. The symptoms you describe—bruising, swelling, and itching—can be attributed to several factors related to the body's healing process.

When you sustain an injury, the body initiates an inflammatory response. This response is characterized by increased blood flow to the affected area, which helps deliver essential nutrients and immune cells to facilitate healing. The swelling you are experiencing is likely due to this increased fluid accumulation in the tissues, which is a normal part of the healing process. Bruising, or contusions, occurs when small blood vessels are damaged, leading to bleeding under the skin, which can also contribute to the swelling.

The itching sensation you are experiencing after ten days is also a common occurrence during the healing process. Itching can result from several factors, including:
1. Nerve Regeneration: As the tissues heal, nerves that were damaged during the injury may begin to regenerate, leading to sensations of itching or tingling.

2. Histamine Release: The inflammatory response involves the release of various chemicals, including histamines, which can cause itching. This is part of the body's natural response to injury and inflammation.

3. Dry Skin: If the area around the injury is healing and the skin is drying out, this can also lead to itching. Keeping the skin moisturized can help alleviate this symptom.

4. Scar Formation: If the injury is healing and forming scar tissue, this can also lead to itching as the skin stretches and adjusts to the changes.

While itching is generally a normal part of the healing process, it is essential to monitor your symptoms closely. If the swelling persists, worsens, or if you notice any signs of infection (such as increased redness, warmth, or discharge), it is crucial to seek medical attention. Additionally, if the itching becomes unbearable or is accompanied by other concerning symptoms, consulting a healthcare professional is advisable.

In summary, the itching you are experiencing after your ankle injury is likely a normal part of the healing process. However, if you have any concerns or if your symptoms change, it is always best to consult with a healthcare provider for a thorough evaluation and appropriate management. They may recommend treatments such as antihistamines for itching or further imaging studies if they suspect any underlying issues that need to be addressed.

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