An ankle sprain may appear to be a minor injury, particularly when pain and swelling improve within a few days. However, an injury that does not heal properly can sometimes cause problems that persist for months or even years. Chronic instability, repeated sprains, cartilage damage and post-traumatic arthritis are among the possible long-term complications.

An ankle injury can involve more than stretched ligaments. Sprains occur when the supporting ligaments are stretched or torn, while fractures involve broken bones. Tendon injuries can also cause persistent pain, weakness and difficulty with movement. Because these conditions can produce similar symptoms, ongoing pain, swelling, difficulty bearing weight or a feeling that the ankle is giving way should be medically evaluated.

One reason ankle injuries are often ignored is that people may continue walking or exercising if the pain seems manageable. Returning to sports or other activities too quickly can interfere with recovery in some cases. Incomplete rehabilitation can also leave the muscles around the ankle weak and affect proprioception, the body's ability to sense joint position and movement. This may make the ankle feel unstable and increase the likelihood of repeated sprains.

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Warning signs that warrant medical attention include severe pain over the ankle bones, significant swelling or bruising, difficulty walking, visible deformity, numbness or tingling, and persistent pain or instability after the initial injury. Pain above the ankle can also indicate a high-ankle sprain, which involves different supporting ligaments. Early assessment can help identify fractures, significant ligament injuries, tendon problems or cartilage damage.

Even an ankle injury that occurred years ago can still be treated. Depending on the underlying problem, management may include physiotherapy, strength and balance exercises, proprioception training, activity modification, supportive footwear, orthotics or an ankle brace. These approaches can improve stability and function and may reduce the risk of recurrent injuries. Treatment should be tailored to the person's symptoms and the condition of the joint.

Surgery is not automatically required because an injury is old. It may be considered when chronic instability, persistent pain or structural damage continues despite appropriate non-surgical treatment. An orthopaedic specialist can assess ankle stability, strength and movement and may recommend imaging such as an X-ray or MRI when appropriate. Getting the underlying problem assessed is important because delayed treatment does not necessarily prevent recovery, but prolonged instability can place additional stress on the joint.

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