Non-Radiographic Axial Spondyloarthritis (nr-axSpA)

Non-radiographic axial spondyloarthritis, or nr-axSpA, is a form of arthritis in the family of spondyloarthritis diseases. Nr-axSpA primarily affects the spine, but other parts of the body are also often involved. It causes inflammation in the spine and elsewhere that can lead to various symptoms including pain and stiffness.

Here is a breakdown of the terms associated with non-radiographic axial spondyloarthritis:

  • Axial – Relating to or situated in the central part of the body, encompassing the full spine and pelvis.
  • Spondyloarthritis – Inflammatory arthritis involving the spine and peripheral joints.
  • Non-Radiographic – No definitive damage seen on x-rays of spine, specifically in the sacroiliac (SI) joints.