41+ What Causes Rheumatoid Background. The causes of these attacks are complex and not fully understood. Rheumatoid arthritis causes pain, redness, and swelling in the joints and a feeling of generally being unwell.
We know how the condition attacks the joints, but it is not yet known what triggers the initial attack. Rheumatoid arthritis causes pain and inflammation in your joints. Your doctor is unlikely know what caused your ra, s/he will probably blame it on genetics, or explain it like you have a.
Tiredness and fever may also be present.
Your immune system normally makes antibodies that attack bacteria and viruses. Research shows it is caused by chemicals related to inflammation. As the tissue that lines your joints (synovial membrane) becomes inflamed and rheumatoid arthritis is a chronic inflammatory disorder that can affect more than just your joints. Read about the causes of rheumatoid arthritis.