happen when there's an increase of fluid in the tissues that surround the joints. Joint swelling is common with different types of arthritis, infections, and injuries. A swollen joint is a symptom of the following health conditions:
(OA). OA is the "wear-and-tear" arthritis that usually occurs with aging or after injury. With OA, there's a wearing down of the cartilage that cushions the ends of the bones. OA causes joint swelling in those joints...