disease similar to rheumatoid arthritis
Adult Stillâs disease is a rare type of inflammatory arthritis that is similar to rheumatoid arthritis.It shares characteristics of systemic-onset juvenile idiopathic arthritis, but it begins in adulthood. Inflammation may affect a few joints at first, but may advance to include more joints over time.dult Stillâs disease is a rare type of inflammatory arthritis that is similar to rheumatoid arthritis.