Reactive Arthritis (cont.)
William C. Shiel Jr., MD, FACP, FACR
Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
Jerry R. Balentine, DO, FACEP
Dr. Balentine received his undergraduate degree from McDaniel College in Westminster, Maryland. He attended medical school at the Philadelphia College of Osteopathic Medicine graduating in1983. He completed his internship at St. Joseph's Hospital in Philadelphia and his Emergency Medicine residency at Lincoln Medical and Mental Health Center in the Bronx, where he served as chief resident.
In this Article
- Reactive arthritis facts
- What is reactive arthritis?
- What causes reactive arthritis?
- What are risk factors for developing reactive arthritis?
- What are reactive arthritis symptoms and signs?
- How is reactive arthritis diagnosed?
- How is reactive arthritis treated?
- What is the prognosis of reactive arthritis?
- Can reactive arthritis be prevented?
- What does the future hold for reactive arthritis?
- Find a local Rheumatologist in your town
How is reactive arthritis diagnosed?
There is no single lab test used to diagnose reactive arthritis. Reactive arthritis is diagnosed based upon recognition of the combination of arthritis with inflammation of the eyes, and the genital, urinary, and/or gastrointestinal systems. The doctor obtains a medical history to note the time course of possible infection in the genital or urinary tracts, or the bowel. Stiffness and pain are monitored. Inflammatory types of joint problems typically cause more stiffness in the morning. Blood tests such as a sedimentation rate may be obtained to document the presence of inflammation in the body. The rheumatoid factor, which is typically present in rheumatoid arthritis, is usually negative in reactive arthritis. The HLA-B27 gene marker blood test can be helpful, especially in the diagnosis of patients with spine disease.
X-rays of the spine or other joints can reveal typical changes of inflammation in these areas but generally not until later in the disease. Occasionally, there are areas of unusual calcifications at the points where the tendons attach to the bones, indicating past inflammation in these areas. Those patients with eye inflammation may require ophthalmology evaluation to document the degree of inflammation in the iris. Stool cultures might be obtained to detect the presence of infections in the bowel. Similarly, urinalysis and culture of the urine may be necessary to detect bacterial infection in the urinary tract. The prostate gland, which can also be inflamed in a patient with reactive arthritis, may be examined for tenderness.
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