Sacroiliac arthritis take Liuzosulfapyridine whether it works with the patient’s cause of disease, Liuzosulfapyridine is mainly used for the treatment of sacroiliac arthritis caused by ankylosing spondylitis, and bacterial infections caused by sacroiliac arthritis and primary sacroiliac arthritis generally do not choose to take Liuzosulfapyridine. 1. Ankylosing spondylitis: Ankylosing spondylitis is an autoimmune disease. Sulphasalazine is a sulfonamide antimicrobial drug, which can play the role of antibacterial effect and immunosuppressive effect, and it is the first choice of medicine for the treatment of ankylosing spondylitis. Ankylosing spondylitis involving the sacroiliac joints can be treated with Liuzosulfapyridine. 2. Bacterial infection: Sacroiliac arthritis caused by bacterial infection can be treated with antibiotics such as penicillin, cephalosporin and erythromycin. 3. Primary sacroiliac arthritis: primary sacroiliac arthritis can be treated with aspirin, ibuprofen and other non-steroidal anti-inflammatory drugs to alleviate the symptoms, and the treatment effect is not good after using salicylsulfapyridine. It is recommended that patients go to the local hospital as soon as possible, to clarify the cause of the disease, the treatment of the cause, under the guidance of the doctor to choose the appropriate therapeutic drugs, it is strictly prohibited to use their own drugs.