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As what the name denotes, it is the effect of the reaction of the immune system to the preceding infections which happened in the body. Commonly, the infection is caused by Chlamydia trachomatis in the genitals. However, studies show that it can also be caused by infectious dysentery in which bacteria is taken from the bowel. Therefore, bacteria are responsible for this kind of arthritis which can be dangerous if left untreated over time.
There is not only kind of bacteria which can cause reactive arthritis but there are many and it includes urealyticum, ureaplasma, shigella spp., salmonella spp. and yersinia spp. As mentioned earlier, it can be the reaction of the immune system in the body that resulted to this disorder, or it is because of the bacterial antigens in the joints.
Researchers would assert that genetics also plays a role in the development of this kind of arthritis because commonly, only the people with HLA-B27 gene can have reactive arthritis. Although, there is no solid proof that people without this gene cannot have this kind of arthritis. |