The foot is not sprained ankle swelling and pain may be caused by chronic strain, deep vein thrombosis, varicose veins of the lower extremities.
1. Chronic strain: prolonged standing or weight-bearing walking can cause chronic strain of the ankle, causing local inflammation, swelling and pain symptoms, patients should reduce the amount of exercise, the pain is more serious can use non-steroidal anti-inflammatory drugs, such as ibuprofen, celecoxib and so on to alleviate the symptoms.
2. Deep vein thrombosis: if you keep a position for a long time, such as sedentary, lying down or standing for a long time, the circulation of the veins of the lower limbs will be affected, and it is easy for venous thrombosis to occur. The formation of deep vein thrombosis will lead to swelling and pain in the ankle, which is often manifested as the unilateral ankle swelling and pain, and it should be treated in time, so as to avoid the thrombus falling off and causing the pulmonary embolism and so on.
3. Varicose veins of the lower limbs: mostly occurring in teachers, salesmen and other people who stand for a long time, standing for a long time will lead to lower limb reflux obstacles, the emergence of varicose veins, often accompanied by aches and pains, generalized fatigue, venous bulge expansion, and there will be obvious edema and pain in the ankle.
The foot did not sprain the ankle swelling and pain may also exist other causes, it is recommended that the patient should consult a doctor in a timely manner to clarify the cause of the disease, and actively cooperate with the treatment.