Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

Ankylosing spondylitis is a type of arthritis that affects the spine and sacroiliac joints. The sacroiliac joints connect the lower spine to the pelvis. Arthritis causes chronic inflammation, and in ...

Ankylosing spondylitis can create uncomfortable pain or stiffness in your back, neck, hips, and other areas of your body. We’ve learned a lot about AS in recent years but there’s still a lot we don’t ...

A change in medication may cause new or worsening symptoms of ankylosing spondylitis, even if other symptoms improve. A doctor may need to prescribe a combination of medications to relieve a person’s ...