What is Axial Spondyloarthritis (AxSpA)?
AxSpA is a type of arthritis called spondyloarthritis. Spondyloarthritis is a family of chronic inflammatory diseases affecting different parts of the body. AxSpA primarily affects the spine, causing pain and stiffness in the back and neck. There are different types of AxSpA, and diagnosis depends on how joints look on a radiograph.
What is Ankylosing Spondylitis (AS)?
AS is a type of AxSpA that causes inflammation in the joints of the spine. AS can affect anyone, but it is more common in men and tends to first develop in teenagers and young adults. The most common AS symptoms are back pain and stiffness, particularly in the morning, which improve with exercise. It may also cause tiredness and pain or swelling in other parts of the body. Symptoms of AS often develop gradually and may come and go over time.