HealthSheets™


Understanding an Ankle Fracture

Front view of foot showing bones.The ankle is formed by bones in the lower leg (tibia and fibula) and the bone on top of the foot (talus). When you have a fracture of the ankle, it means that one or more of the bones in the ankle are broken. The bone may be cracked, broken into two or more pieces, or even shattered. The pieces of bone may be lined up or they may have moved out of place. Sometimes, the bone may break through the skin. Nearby ligaments may also be damaged. Depending on how badly the bone is broken, healing may take a few months or longer. 

What causes an ankle fracture?

Ankle fractures are often caused from severely twisting or rolling the ankle. They may also be caused from a fall, blow, accident, or sports injury.

Symptoms of an ankle fracture

Symptoms can include pain, swelling, and bruising. If the bone breaks through the skin, bleeding at the site can also occur. The ankle may look crooked, deformed, or bent. Also, it may be hard to move or use the ankle and foot as you would normally.

Treating an ankle fracture

Treatment for an ankle fracture depends on where the bone is broken and how serious the break is. If needed, the bone is put back into place. This may be done with or without surgery. If surgery is needed, the surgeon may use devices such as pins, plates, or screws to hold the bone together. Usually, you will wear a splint, brace, or short leg cast to keep the bone in place and protect it from injury during healing. Other treatments may also be used to help reduce symptoms or regain function. These include:

  • Rest. You may need to avoid walking or putting any weight on the broken ankle for a period of time. Severe fractures need a longer limit on weight-bearing activities.

  • Cold packs. Putting an ice pack over the injured area may help reduce swelling and pain.

  • Compression. An elastic bandage may be wrapped around the ankle to help reduce swelling.

  • Elevation. Propping up the ankle so that it is above your heart may ease swelling.

  • Pain medicines. Prescription or over-the-counter pain medicines may help reduce pain and swelling. If needed, stronger pain medicines may be prescribed.

  • Exercises. Your healthcare provider may give you certain exercises to do at home or with a physical therapist. These help restore strength, flexibility, and range of motion in the ankle and foot.

Possible complications of an ankle fracture

These can include:

  • Poor healing of the bone

  • Weakness, stiffness, or loss of range of motion in the ankle

  • Osteoarthritis in the ankle

When to call your healthcare provider

Call your healthcare provider right away if you have any of these:

  • Fever of 100.4°F (38°C) or higher, or as directed

  • Symptoms that don’t get better with treatment, or get worse

  • Numbness, tingling, or coldness in your foot or toes

  • Toenails that turn blue or grey in color

  • A splint, brace, or cast that is damaged or feels too tight or loose

  • Unusual redness, warmth, swelling, bleeding, or drainage from any wounds or incision sites

  • New symptoms

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