The most common causes of foot sprains without swelling but pain are ligament injuries, cartilage injuries, joint dislocations, fractures, etc. The most common causes are ligament injuries, cartilage injuries, joint dislocations, and fractures. 1. Ligament injury: if the patient foot sprain pulled to the ligament, ligament injury degree is light, there may not be swelling but there will be pain, acute injury usually need to ice. 2. Cartilage damage: If there is no swelling after the patient’s foot sprains, but there is continuous pain in the foot, it may be caused by the damage of articular cartilage, if the symptoms continue to need to carry out a nuclear magnetic examination, a clear diagnosis for further treatment. 3. Dislocation of joints: if the patient has a dislocation or subluxation of the bones of the foot, there may be no swelling, but there will be persistent pain. 4. Fracture: If the patient has a bone fracture or a minor fracture, it may also cause pain when walking, but no swelling of the joint. There are many reasons why a sprained foot does not swell but hurts. If the symptoms continue without relief, it is recommended to go to the hospital in time to find out the cause of the disease, and the doctor will provide targeted treatment.