What causes a sprained foot to bulge on the side of the bone?

The bulging of the lateral bone of a sprained foot may be caused by hematoma, edema, fracture dislocation and so on.
1. hematoma: foot sprains may cause small blood vessels to rupture, sustained bleeding, blood accumulates in the tissue space to form a packet hematoma, thus appearing lateral bone bulging phenomenon.
2. Edema: A sprained foot may also damage the tissues around the ankle, leading to inflammatory edema around the tissues, and the exudate may also cause swelling or aggravate the formation of encapsulated hematoma, resulting in the phenomenon of bulging lateral bone.
3. Fracture dislocation: If the foot sprain is severe enough to cause a fracture dislocation, the displacement of the broken end of the fracture may also lead to swelling, resulting in the phenomenon of bulging lateral bone.
There may be other reasons for the bulging of the lateral bone of a sprained foot, so it is recommended to consult a doctor in time to avoid delaying the condition.