Subject: Re: What is seronegative spondyloarthritis
Spondyloarthritis (or spondyloarthropathy) is the name for a family of inflammatory rheumatic diseases that cause arthritis. The most common is ankylosing spondylitis, which affects mainly the spine. Others include:
axial spondyloarthritis, which affects mainly the spine and pelvic joints;
peripheral spondyloarthritis, affecting mostly the arms and legs;
reactive arthritis (formerly known as Reiter's syndrome);
psoriatic arthritis; and
enteropathic arthritis/spondylitis associated with inflammatory bowel diseases (ulcerative colitis and Crohn's disease).
there is a blood test called HLA B27 they can do for AS , ask your GP , atleast you will know one way or another