Persistent Swelling and Discomfort in Bruised Thigh After Injury - Orthopedics

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The bruised area feels swollen and uncomfortable?


On December 29, I fell down the stairs and sustained a large purple bruise on the side of my left thigh.
It has been nearly two months since the incident, and I still feel swelling and discomfort in that area when doing heavy squats or lifting heavy objects.
Additionally, the skin color in that area is still slightly different from the surrounding skin.
What could this situation indicate?

R, 10~19 year old female. Ask Date: 2024/02/15

Dr. Shi Guozheng reply Orthopedics


The injured area is healing and may take about three months.

Reply Date: 2024/02/15

More Info


Persistent swelling and discomfort in a bruised thigh after an injury can be concerning, especially when symptoms linger for an extended period, such as nearly two months in your case. It is essential to understand the potential causes and implications of your symptoms.

When you slipped and fell, the impact likely caused a significant amount of trauma to the soft tissues in your thigh, leading to a large bruise (contusion). This type of injury can damage blood vessels, causing bleeding under the skin, which results in the characteristic discoloration and swelling. The body typically absorbs this blood over time, and the bruise changes color as it heals. However, in some cases, the healing process can be prolonged, leading to persistent symptoms.

Here are some possible explanations for your ongoing symptoms:
1. Hematoma Formation: Sometimes, a bruise can develop into a hematoma, which is a localized collection of blood outside of blood vessels. Hematomas can take longer to resolve than typical bruises and may cause prolonged swelling and discomfort. If the hematoma is large or located in a muscle, it can also lead to stiffness and pain during movement.

2. Soft Tissue Injury: In addition to bruising, there may be underlying soft tissue injuries, such as muscle strains or tears, that can contribute to ongoing discomfort. These injuries can cause inflammation and swelling, which may be exacerbated by activities like weightlifting or squatting.

3. Compartment Syndrome: Although less common, a serious condition called compartment syndrome can occur after a significant injury. This condition involves increased pressure within a muscle compartment, which can lead to muscle and nerve damage. Symptoms include severe pain, swelling, and sometimes a change in skin color. If you experience severe pain that does not improve with rest or over-the-counter pain medications, seek medical attention immediately.

4. Infection: While less likely, an infection in the area of the bruise could cause persistent swelling and discomfort. Signs of infection include increased redness, warmth, swelling, and possibly fever. If you notice any of these symptoms, it is crucial to consult a healthcare provider.

5. Chronic Inflammation: Sometimes, the body may continue to react to an injury with inflammation, leading to ongoing discomfort and swelling. This can be due to factors such as overuse or not allowing adequate time for healing.

Given that your symptoms have persisted for nearly two months, it is advisable to consult a healthcare professional for a thorough evaluation. They may recommend imaging studies, such as an ultrasound or MRI, to assess the extent of the injury and rule out complications like a hematoma or other soft tissue injuries.
In the meantime, consider the following self-care measures:
- Rest: Avoid activities that exacerbate the pain, such as heavy lifting or intense workouts.

- Ice Therapy: Applying ice to the affected area can help reduce swelling and discomfort. Use ice packs for 15-20 minutes several times a day.

- Compression: Using a compression bandage can help manage swelling.

- Elevation: Keeping the leg elevated can also assist in reducing swelling.

In conclusion, while bruises typically heal on their own, persistent symptoms warrant further investigation to ensure there are no underlying issues that need to be addressed. A healthcare provider can provide a tailored treatment plan based on the specific findings from your evaluation.

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