Arthritis Summary If you feel pain and stiffness in your body or have trouble moving around, you might have arthritis. Most kinds of arthritis cause pain and swelling in your joints. Joints are places where two bones meet, such as your elbow or knee. Over time, a swollen joint can become severely damaged. Some kinds of arthritis can also cause problems in your organs, such as your eyes or skin. Types of arthritis include Osteoarthritis is the most common type of arthritis. It’s often related to aging or to an injury. Autoimmune arthritis happens when your body’s immune system attacks healthy cells in your body by mistake. Rheumatoid arthritis is the most common form of this kind of arthritis. Juvenile arthritis is a type of arthritis that happens in children. Infectious arthritis is an infection that has spread from another part of the body to the joint. Psoriatic arthritis affects people with psoriasis. Gout is a painful type of arthritis that happens when too much uric acid builds up in the body. It often starts in the big toe. NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases National Institute of Arthritis and Musculoskeletal and Skin Diseases Related Issues Accommodation and Compliance Series: Employees with Arthritis Office of Disability Employment Policy Sex and Arthritis American College of Rheumatology What Are Osteoporosis and Arthritis and How Are They Different? National Institute of Arthritis and Musculoskeletal and Skin Diseases Encyclopedia Adult Still’s disease Anterior knee pain C-reactive protein ESR Joint fluid gram stain Joint x-ray Toxic synovitis Specifics Adult Still’s Disease Mayo Foundation for Medical Education and Research Arthritis of the Hand Array Arthritis of the Wrist American Academy of Orthopaedic Surgeons Enteropathic Arthritis Spondylitis Association of America MP Joint Arthritis American Society for Surgery of the Hand Thumb Arthritis Mayo Foundation for Medical Education and Research Array Arthritis Osteotomy of the knee Start Here Arthritis Advice National Institute on Aging Arthritis and Rheumatic Diseases National Institute of Arthritis and Musculoskeletal and Skin Diseases Arthritis: Frequently Asked Questions Centers for Disease Control and Prevention Find an Expert Arthritis Foundation: Local Office Directory Arthritis Foundation Find a Rheumatologist American College of Rheumatology National Institute of Arthritis and Musculoskeletal and Skin Diseases National Institute of Arthritis and Musculoskeletal and Skin Diseases Children Arthritis in Children American Academy of Pediatrics Living With Arthritis Pain: Do’s and Don’ts Mayo Foundation for Medical Education and Research Living with Arthritis National Institute of Arthritis and Musculoskeletal and Skin Diseases Physical Activity for Arthritis Centers for Disease Control and Prevention Statistics and Research Arthritis: Data and Statistics Centers for Disease Control and Prevention Diagnosis and Tests Arthrography Array Bone X-Ray (Radiography) Array C-Reactive Protein (CRP) Test American Association for Clinical Chemistry MRI of the Musculoskeletal System Array Synovial Fluid Analysis American Association for Clinical Chemistry Videos and Tutorials Arthroscopic Ankle Fusion on 72 Year-Old with Severe Arthritis Pain OR-Live Clinical Trials ClinicalTrials.gov: Arthritis National Institutes of Health NIH MedlinePlus Magazine Forms of Arthritis Genetics Genetics and Rheumatic Disease American College of Rheumatology Genetics Home Reference: Blau syndrome National Library of Medicine Treatments and Therapies Joint Injection/Aspiration American College of Rheumatology Joint Replacement Surgery National Institute of Arthritis and Musculoskeletal and Skin Diseases MedlinePlus: Pain Relievers National Library of Medicine Topical Pain Medications Mayo Foundation for Medical Education and Research Journal Articles Arthritis