ossification of sacroiliac joint

Sacroiliac joint sclerosis is generally not a single disease, this situation may be caused by sacroiliac arthritis, simple underground arthritis is rare, generally seen in ankylosing spondylitis invasion of sacroiliac joint caused by early manifestations of sacroiliac joint stiffness activity limitation, severe will show lumbar stiffness at night, after activity can not improve. Test B27 positive. For this situation, pay attention to keep warm, you can do infrared physiotherapy or roast electricity, oral non-steroidal anti-inflammatory drugs or anti-rheumatic drugs, generally can alleviate, for no timely treatment, the sacroiliac joint will be completely fused later, affecting hip flexion and squatting, so this situation should be taken seriously in time to go to the hospital rheumatism immunology department treatment.