What are the autoimmune diseases?

1. There are many types of autoimmune diseases. The most common ones include rheumatoid arthritis, chronic liver disease, idiopathic thrombocytopenic purpura, ulcerative colitis, type 1 diabetes in adolescents, scleroderma, systemic lupus erythematosus, and so on.

2. Various causes may affect the peripheral nerves, causing extensive damage. This disease is known as polyneuritis, and its main symptoms include changes in skin color, sweating, and sensations in the limbs. It belongs to autoimmune diseases.

3. The general cause of some common autoimmune diseases is infection.

4. Symptoms often appear before the onset of the disease, such as gastrointestinal infections and upper respiratory infections. The disease usually occurs about 2 weeks later, often acutely, and is more common in adolescents. Generally, the onset of such autoimmune diseases occurs between June and October each year. It can also affect the function of the head and face of patients. In addition, toxin poisoning and heavy metals may also cause neuritis, so attention must be paid.