Rheumatoid arthritis and rheumatism

Rheumatoid arthritis is a chronic, systemic autoimmune disease, mainly manifested as symmetrical, multi-joint inflammation, often involving the hands, wrists, feet and other small joints, but also can invade large joints and extra-articular tissues. Rheumatoid arthritis is a relatively broad concept, usually refers to a series of diseases affecting joints, muscles, bones and their surrounding tissues, including a variety of types, such as rheumatoid arthritis, osteoarthritis, systemic lupus erythematosus, etc. 2. Different symptoms Rheumatoid arthritis is characterized by joint pain, swelling, stiffness, especially when getting up in the morning (morning stiffness); Joint deformities, such as swan neck and button flower deformities; systemic symptoms, such as fever, fatigue, weight loss, etc. Rheumatic arthritis varies according to the type of disease. Rheumatic arthritis may present as joint pain, swelling, and limited mobility; systemic lupus erythematosus may be accompanied by rash, fever, joint pain, and multiple systemic damage. 3. Different pathogenesis Rheumatoid arthritis is caused by the immune system mistakenly attacking its own joint tissues, resulting in synovial inflammation, cartilage and bone destruction. Rheumatoid pathogenesis varies according to the specific type of disease, but mostly involves inflammatory reactions, autoimmune reactions, etc.