A swollen sprained ankle from playing soccer usually heals in about 2 to 3 weeks, and if the sprain is accompanied by a fracture, it may take up to 3 months to recover. Patients with sprained ankles should go to the hospital as soon as possible for an X-ray or CT examination to clarify the cause of the injury, to check whether it is a serious disease such as ankle fracture, and to treat it under the guidance of a doctor.