- It affects the lining inside the joints, which damages the cartilage and bones.
- RA often affects both sides of the body, so if one knee or hand is affected, the other one might be too.
- It can involve joints in your wrists, hands, elbows, shoulders, feet, spine, knees, and jaw.
- You might also feel tired, have occasional fevers, and lose your appetite.
- RA can cause issues in other parts of the body, like your heart, lungs, blood, nerves, eyes, and skin.