What is the cause of high rheumatoid factor IgA?

Rheumatoid factor is a nonspecific autoantibody that is generally less than 20 IU/ml normal. If the test results suggest that the patient has high rheumatoid factor IgA, it may be due to infection, systemic lupus erythematosus, etc.

1. Infection: When the body is infected by bacteria or viruses, such as streptococcal infection, antigenic substances can be produced to stimulate human immune cells and cause reactions, resulting in high rheumatoid factor IgA;

2. Systemic lupus erythematosus: This disease is a chronic inflammatory disease, which usually causes symptoms such as fever and joint pain in clinical practice, and is also accompanied by skin damage and kidney damage.During the routine blood test, it will be found that the white blood cell count is high, and it will also be accompanied by symptoms such as an increase in the proportion of lymphocytes, so the above abnormalities will occur;

3. Other factors: In addition to the above common causes, it may also be related to Sjögren's syndrome, which is mostly seen in the elderly, mainly manifested as dry mouth, dry eyes, discomfort and repeated mouth ulcers. In addition, some people with underlying diseases such as hepatitis, nephrotic syndrome, and hyperthyroidism may also experience similar phenomena.

It is recommended that such patients go to the hospital in time for further relevant examinations to confirm the diagnosis, and actively cooperate with the doctor for targeted treatment. In daily life, we should avoid eating spicy and greasy food, pay attention to a light diet, and exercise appropriately to enhance physical fitness.