Ankylosing Spondylitis (AS): Symptoms, Causes, Diagnosis & More


Ankylosis spondylitis begins in the sacroiliac joints [2], where the spine joins the pelvis. It can occur in places where the tendons and ligaments fuse with bones. In most cases, the vertebrae fuse.

Ankylosis spondylitis can cause stiffness in the following places including Buttocks, Rib cage, Thighs, Heels, Lower back, Hands, Feet, Shoulders, Hips…

Some of its symptoms include

  • Pains that exacerbate in the morning or after sitting for a long period
  • A rigid spine that curves forward
  • Extreme Tiredness and fatigue [3]
  • Swelling in the joints
  • Difficulties in taking deep breaths.
  • Pain and swelling in other areas of the body. it is caused by inflammation of the joints (arthritis) or inflammation where a tendon fuses with a bone (enthesitis)

These symptoms manifest gradually, mostly over several months or years, and may come and leave with time. In some patients, the symptoms improve with time, while it exacerbates in some people. The symptoms of ankylosis spondylitis may vary from person to person. Symptoms can also improve faster or slower in some people.