Chronic Lateral Ankle Pain

Recurring or persistent (chronic) pain on the outer (lateral) side of the ankle often develops after an injury such as a sprained ankle. However, several other conditions may also cause chronic ankle pain.

Chronic Lateral Ankle Pain Symptoms

  • Pain, usually on the outer side of the ankle. The pain may be so intense that you
  • have difficulty walking or participating in sports. In some cases, the pain is a constant, dull ache.
  • Difficulty walking on uneven ground or in high heels
  • A feeling of giving way (instability)
  • Swelling
  • Stiffness
  • Tenderness
  • Repeated ankle sprains

Chronic Lateral Ankle Pain Causes

The most common cause for a persistently painful ankle is incomplete healing after an ankle sprain. When you sprain your ankle, the connecting tissue (ligament) between the bones is stretched or torn. Without thorough and complete rehabilitation, the ligament or surrounding muscles may remain weak, resulting in recurrent instability. As a result, you may experience additional ankle injuries. Other causes of chronic ankle pain include:

  • An injury to the nerves that pass through the ankle. The nerves may be stretched, torn, injured by a direct blow, or pinched under pressure (entrapment).
  • A torn or inflamed tendon
  • Arthritis of the ankle joint
  • A break (fracture) in one of the bones that make up the ankle joint
  • An inflammation of the joint lining (synovium)
  • The development of scar tissue in the ankle after a sprain takes up space in the joint, thus putting pressure on the ligaments.

Chronic Lateral Ankle Pain Diagnosis

The first step in identifying the cause of chronic ankle pain is taking a history of the condition. Your doctor may ask you several questions, including:

  • Have you previously injured the ankle? If so, when?
  • What kind of treatment did you receive for the injury?
  • How long have you had the pain?
  • Are there times when the pain worsens or disappears?

Because there are so many potential causes for chronic ankle pain, your doctor may do a number of tests to pinpoint the diagnosis, beginning with a physical examination. Your doctor will feel for tender areas and look for signs of swelling. He or she will have you move your foot and ankle to assess range of motion and flexibility. Your doctor may also test the sensation of the nerves, and may administer a shot of local anesthetic to help pinpoint the source of the symptoms.

Your doctor may order several x-ray views of your ankle joint. You may also need to get x-rays of the other ankle so the doctor can compare the injured and non injured ankles. In some cases, additional tests such as a bone scan, computed tomography (CT) scan, or magnetic resonance image (MRI) may be needed.

Learn more about the Foot and Ankle Center at Resurgens Orthopaedics.

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