What is the reason for the swelling and pain in the instep

Back pain may be caused by gout. Because gout is a metabolic disease, the most typical symptom is back pain. If it continues for a long time, it will also cause joint deformation, so it is necessary to focus on symptomatic treatment.

1. Gout is a metabolic disease that can cause swelling and pain in the instep and feet. If it continues for a long time, it can also cause deformation of the foot joints. Symptomatic treatment can be adopted to promote metabolic changes.

2. Erysipelas, which is an infectious disease caused by bacterial infection, causing local skin swelling.

3. Skin allergies: swelling and pain caused by mosquito bites. A common phenomenon in old age is swollen feet. Because it is common, it is easy to be underestimated, which leads to delaying the best time for treatment and even causing serious consequences.

4. Idiopathic foot swelling is common in elderly women, mostly occurring on both feet at the same time. The degree is relatively mild and often occurs when standing for a long time or when tired. It will gradually disappear after lying down or resting. Functional foot swelling is more common in elderly women. It is generally not serious and may occur intermittently, usually lasting for several years. Some patients' foot swelling is related to the season but not to body position. The cause is still unknown.

5. Nutritional swelling of the feet is caused by the fact that the elderly eat less, have decreased digestive function or chronic wasting diseases, which lead to nutritional deficiencies in the body. At this time, patients are often accompanied by anemia and are prone to infectious diseases due to decreased immune function. Cardiac foot swelling is caused by decreased heart function, especially in patients with right heart failure. At this time, examination of the heart may reveal pathological changes such as organic murmurs and cardiac enlargement.

6. Inferior vena cava foot swelling This is foot swelling caused by poor blood flow from the inferior vena cava, and one foot usually swells first. This is due to thrombosis in the inferior vena cava and compression of the inferior vena cava by a tumor in the pelvis. Once elderly people experience swollen feet, they must go to the hospital for a comprehensive examination to find out the cause and make a clear diagnosis.