What is the cause of foot swelling and leg pain

The foot swelling pain and leg pain are mainly caused by the following reasons: 1, caused by poor peripheral blood circulation, this condition is related to traumatic factors, but also may be directly related to excessive exercise, or a long time a posture and other factors. 2, may be related to the herniated lumbar disc compression nerve, in the compression of the nerve may cause peripheral circulation disorders, which may also cause this symptom. 3, may also be lower limb venous thrombosis or even the existence of varicose veins and other problems. So once this symptom appears, it should be determined mainly by ultrasound examination, and the local blood circulation can be improved by means of physical therapy, and if the effect is not good, interventional surgery can also be considered to help solve this symptom.