Fact Sheets

Rheumatoid Arthritis
Rheumatoid arthritis (RA) is an autoimmune disease attacking the lining of joints, causing pain and inflammation, eventually damaging the entire body.
Fibromyalgia
Fibromyalgia is a disorder that causes fatigue and a pattern of unexplained mild-to-intense pain throughout the body. Learn about symptoms and treatment.
Juvenile Idiopathic Arthritis
Juvenile idiopathic arthritis (formerly known as juvenile rheumatoid arthritis) is a common type of rheumatic disease that occurs during childhood.
Degenerative and Rheumatologic Spinal Disorders
Degenerative back pain, due to loss of bone or tissue, is often age-related. Rheumatologic back pain is an autoimmune condition.
Chronic Pain
Chronic pain is discomfort that persists or progresses over a long period of time. Learn about symptoms and treatment.
Sarcoidosis
Sarcoidosis is an inflammatory condition that affects the lungs, lymph nodes, and/or other tissues.
Thumb Arthritis
Thumb arthritis is the second most common type of arthritis in the hand. Yale Medicine experts explain why it develops and how to treat it.
Musculoskeletal Ultrasound
Ultrasound is used for many musculoskeletal conditions—from identifying injuries and chronic conditions to guiding diagnostic and therapeutic procedures.
Pemphigus and Pemphigoid
Pemphigus and pemphigoid, both rare autoimmune blistering disorders, can cause blisters on the skin or in membranes such as the mouth, nose and eyes.
Physiatry (Physical Medicine and Rehabilitation)
Many people don’t realize that most musculoskeletal injuries can get better without surgery, so the best doctor to see may be one who specializes in nonsurgical care. One medical specialty that fits this description is physical medicine and rehabilitation (PM&R), or physiatry.