How Long Does Knee Swelling Last After Fracture? Can Heat Therapy Help? - Orthopedics

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Knee swelling after a fracture is a common occurrence and can persist for several weeks to months, depending on various factors such as the severity of the injury, the type of fracture, and the individual’s healing process. In your case, since you sustained a knee fracture on May 18 and are now two months post-injury, it is not unusual for swelling to still be present, especially if you are actively engaging in rehabilitation exercises.

Typically, swelling can last anywhere from two to four weeks after a fracture, but in some cases, it may take longer for the swelling to completely subside. Factors that can influence the duration of swelling include the extent of the injury, the presence of any complications, and how well you are adhering to your rehabilitation program. In your situation, since the fracture site is nearing healing and you are able to bend your knee to about 100 degrees, it indicates that your recovery is progressing well, but residual swelling can still be expected.

Regarding your question about heat therapy, it can be beneficial in certain circumstances. Heat therapy is often used to promote blood flow and relax tight muscles, which can help alleviate discomfort associated with swelling. However, it is essential to use heat therapy judiciously. If the swelling is due to inflammation, applying heat may exacerbate the condition. In such cases, cold therapy (ice packs) is typically recommended to reduce swelling and numb pain. It is advisable to consult with your healthcare provider or physical therapist to determine the best approach for your specific situation.

In addition to heat therapy, there are other strategies you can employ to help manage swelling. Elevating your leg above heart level can assist in reducing swelling by promoting venous return. Compression garments or wraps can also be effective in controlling swelling and providing support to the knee. Gentle range-of-motion exercises, as prescribed by your physical therapist, can help maintain mobility and prevent stiffness while also encouraging fluid movement away from the swollen area.

It is also important to monitor your swelling and any associated symptoms. If you notice an increase in swelling, redness, warmth, or pain, it could indicate an underlying issue such as infection or complications related to the fracture. In such cases, it is crucial to seek medical attention promptly.

In summary, while it is normal for swelling to persist for two months after a knee fracture, the duration can vary based on individual healing processes. Heat therapy can be beneficial, but it should be used with caution, and it is essential to follow your healthcare provider's recommendations regarding rehabilitation and swelling management. With continued care and adherence to your rehabilitation program, you should see improvement in both swelling and knee function over time.