Arthritis Center

Rheumatoid Arthritis

Rheumatoid arthritis is an autoimmune disease that causes chronic inflammation of the joints, the tissue around the joints, as well as other organs in the body. Because it can affect multiple other organs of the body, rheumatoid arthritis is referred to as a systemic illness and is sometimes called rheumatoid disease.

Watch & Learn About Gout

Watch this slideshow on gout (gouty arthritis) caused by crystals of uric acid deposits. Learn about treatment, causes, symptoms and medication for this painful condition.

Picture of Lyme Disease

View a picture of Lyme disease which is transmitted through a bite from a specific type of tick carried by mice, deer, raccoons, opossums, skunks, squirrels and other animals. Learn about the signs and symptoms as well as what the disease looks like.


Gout and hyperuricemia are caused by uric acid crystals building up in the body. Gout symptoms and signs include joint pain and swelling. Read about treatment and foods to avoid.

Read more about gout »

RA Slideshow

Watch this slideshow on rheumatoid arthritis (RA), an autoimmune disease that causes chronic joint inflammation and pain. Learn about this disorder's symptoms as well as diagnosis and treatment.

View the slideshow on ra »

Lyme Disease Quiz

What do you know about Lyme disease? Is it contagious? What are the symptoms? Signs? Test your knowledge of Lyme disease.

Take the lyme disease quiz »

A - Z List of Arthritis Topics

Alphabetized listing of articles related to Arthritis