What is the difference between arthritis and other rheumatic diseases?
Arthritis, itself a group of more than 100 different diseases, is one category of rheumatic diseases. Rheumatic diseases may cause pain, stiffness, and swelling in the joints and other supporting body structures, such as muscles, tendons, ligaments, and bones. However, rheumatic diseases can affect other areas of the body, including internal organs. Some rheumatic diseases involve connective tissues (called connective tissue diseases), while others may be caused by an autoimmune disorder, which means the body's immune system attacks its own healthy cells and tissues.

About Rheumatologists
A rheumatologist is a physician who specializes in the treatment of arthritis and other rheumatic diseases that may affect joints, muscles, bones, skin, and other tissues. Most rheumatologists have a background in internal medicine or pediatrics and have received additional training in the field of rheumatology. Rheumatologists are specially trained to identify many types of rheumatic diseases in their earliest stages, including arthritis, many types of autoimmune diseases, musculoskeletal pain, disorders of the musculoskeletal system, and osteoporosis.