Most people commonly think of arthritis as the condition of having painful, stiff joints. In fact, there are many kinds of arthritis, each with different symptoms and treatments. Most types of arthritis are chronic with symptoms lasting years.
Arthritis can attack joints in almost any part of the body. Some forms of arthritis cause changes you can see and feel such as pain, swelling, warmth and redness in your joints. Other types cause less troublesome symptoms, but slowly damage your joints.