How effective is fracture casting for ankle fracture?

A cast limits ankle movement and protects the break from forces that could shift it. It may be suitable after an examination and imaging show that the joint surface and broken bone position can be maintained without an operation. A cast does not repair torn skin or correct every unstable pattern. Swelling can change the fit, so the clinician may begin with a temporary splint and later change it to a cast.

Healing is assessed through symptoms, examination and repeat images when needed. The ankle may feel stiff or weak after immobilisation, and recovery commonly includes a gradual return to movement, weight bearing and strengthening guided by the treating team.

Keep the cast dry and do not insert objects inside it. Elevate the leg when it is swollen, move the toes regularly if allowed, and use crutches or another aid exactly as instructed. Do not put weight through the ankle until your clinician says it is safe. Attend planned checks because alignment and cast fit can change as swelling settles.

Contact urgent medical care for toes that become blue, unusually pale, cold, numb or difficult to move, or for pain and tightness that keep worsening despite elevation. Seek prompt review if the cast cracks, becomes wet, rubs one area, develops a bad smell, or feels suddenly loose. New calf swelling, chest pain or breathlessness also need urgent assessment.

Ask whether the fracture reaches the ankle joint, whether its alignment is stable in a cast, when you may bear weight, and which changes should trigger an earlier review. Ask how follow-up imaging will guide cast removal and rehabilitation.