Arthritis can be a pain in the neck (and knees, and hips, and back and any other joint in your body), but try to stay as active as possible. Ask your provider about physical or occupational therapy to help you stay strong, active and confident throughout your daily routine. Arthritis is joint inflammation that can affect different parts of the body and have various causes and treatments. Learn about the common types of arthritis, such as osteoarthritis, rheumatoid arthritis, and gout, and their symptoms and treatments. Arthritis refers to a range of conditions involving joint inflammation. There are over 100 types, each with different symptoms that can emerge gradually or suddenly. Common arthritis symptoms... Arthritis is the swelling and tenderness of one or more joints. The main symptoms of arthritis are joint pain and stiffness, which typically worsen with age. The most common types of arthritis are osteoarthritis and rheumatoid arthritis.