Sudden swelling and pain in the feet may be caused by infection, trauma, bursa inflammation and other reasons.
1. Infection: due to viruses, bacteria and other pathogens infecting the soft tissues of the feet, can cause localized swelling, pain, redness and other symptoms of infection.
2. Trauma: due to trauma and other factors caused by local ligament, muscle and other soft tissue injury, or even fracture, can cause local tissue exudation, edema, bleeding and fracture deformity, appearing foot suddenly bag with swelling and pain and other symptoms.
3. Inflammation of the bursa: due to long-term overactivity, the foot tendon and bursa, bone channel friction between the bursa inflammation, which leads to local edema, effusion, the patient may appear foot suddenly swelling and pain symptoms.
Sudden foot swelling pain may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.