Systemic-Onset Juvenile Idiopathic Arthritis
Systemic-onset juvenile idiopathic arthritis (SJIA) is a rare and severe form of juvenile arthritis that primarily affects children under the age of 16. Unlike other
juvenile arthritis
Oligoarticular Juvenile Idiopathic Arthritis
Oligoarticular juvenile idiopathic arthritis (JIA) is the most common subtype of juvenile idiopathic arthritis, a chronic autoimmune disorder affecting children under the age of 16.
Enthesitis-related juvenile idiopathic arthritis
Enthesitis-related juvenile idiopathic arthritis (ERA-JIA) is a distinct subtype of juvenile idiopathic arthritis (JIA) that primarily affects the entheses—where tendons and ligaments attach to bones.