Medically reviewed by Scott J. Zashin, MD Rheumatoid arthritis and lupus (systemic lupus erythematosus) are both autoimmune conditions that can cause fatigue, pain and swelling in your joints, and ...

Rheumatoid arthritis (RA): Symmetric polyarthritis is classic for RA, but fever, hepatosplenomegaly, adenopathy, and rash would rule strongly against it.

Did you know that arthritis can also affect children, and not just their joints? Juvenile arthritis is more than just joint ...

Researchers at Kyoto University have discovered that an immune molecule found only in primates, called IGFL2, plays a key ...

The device stimulates the vagus nerve, signaling the body to tamp down the inflammation that contributes to the disease.

Rheumatoid arthritis (RA) is a chronic autoimmune disease in which the immune system mistakenly attacks the lining of the ...

People with autoimmune conditions may also be more likely to develop rheumatoid arthritis as "the immune system can target the joints, causing inflammation and resulting in pain, swelling, warmth ...

Some 1.3 million Americans have rheumatoid arthritis, a disease in which a person's immune system attacks their joints, causing crippling pain and, if improperly treated, disfigurement.