Rheumatoid arthritis (RA) is a chronic (long-lasting) disease that mostly affects joints, such as the wrist, hands, feet, spine, knees, and jaw. In joints, RA causes inflammation that leads to: Pain. Swelling Stiffness. Loss of function. Diagnosis-: RA is diagnosed by reviewing symptoms, conducting a physical examination, and doing X-rays and lab tests(blood, urine etc). How is RA treated? RA can be effectively treated and managed with medication(s) and self-management strategies. Treatment for RA usually includes the use of medications that slow disease and prevent joint deformity. The goals of treatment are to help relieve pain and swelling, prevent, slow, or stop joint and organ damage, and help you take part in daily activities.