Arthritis

<p>Arthritis is a condition marked by joint inflammation. It typically causes pain, stiffness, fatigue and swelling, and it can affect any joint in the body. There are more than 100 types of arthritis, but the most common are <a href="https://www.sharecare.com/health/osteoarthritis">osteoarthritis (OA),</a> <a href="https://www.sharecare.com/health/rheumatoid-arthritis">rheumatoid arthritis (RA)</a> and <a href="https://www.sharecare.com/health/gout">gout.</a> The more you understand about <a href="/health/arthritis/what-is-arthritis">arthritis,</a> the better you can work with your doctor to be treated effectively.</p>