| • | Ankylosing Spondylitis Ankylosing spondylitis is a form of arthritis that primarily affects the lower back. |
| • | Behcet's Syndrome Behcet's (bay-setz) syndrome, also called Behcet's disease, is a rare disease that mainly affects young adults. |
| • | Infectious Arthritis Many times, arthritic symptoms can result from bacterial, viral or fungal infection that enters the body and spreads through the bloodstream. |
| • | Juvenile Arthritis Arthritis involves inflammation of the joints that causes pain and swelling. When arthritis occurs in children younger than age 16, it is called juvenile arthritis. |
| • | Polymyalgia Rheumatica Polymyalgia rheumatica is a form of arthritis. It causes pain in the joints and muscles of the lower back, thighs, hips, neck, shoulder and upper arms, and other parts of the body. |
| • | Pseudogout (CPPDD) Pseudogout is a form of arthritis triggered by deposits of calcium crystals (calcium pyrophosphate dehydrate) in the joints. It is also called calcium pyrophosphate deposition disease (CPPDD). |
| • | Psoriatic Arthritis Psoriatic arthritis is a chronic disease in which a person with psoriasis develops the symptoms and signs of arthritis -- joint pain, stiffness and swelling. |
| • | Vasculitis The term vasculitis means blood vessel inflammation; this term applies to a group of systemic rheumatic conditions that cause pain and damage in the involved areas of the body. |