Psoriasis is a common skin disorder that causes raised plaques of itchy, red skin. Learn about symptoms and treatment.
Rheumatoid arthritis (RA) is a disease in which the body's immune system begins attacking the lining of the joints. Learn about symptoms and treatment.
Juvenile idiopathic arthritis is a chronic, inflammatory disease in children that causes swelling, pain, and stiffness in joints. Learn about symptoms and treatment.
Wear and tear on the joints and disks of the spine that cause pain and stiffness in the neck and back
Skin condition marked by intensely firm, itchy bumps
Pemphigus and pemphigoid are two rare autoimmune blistering disorders that are not contagious. Learn about symptoms and treatment.
A skin disorder marked by a rash of small, raised skin-colored or reddish spots.
Vitiligo is a disease that causes patches of skin to lose their color, resulting in white spots. Learn about causes and treatment.