Chlamydia may play role in a type of arthritis

Spondylarthritis (SpA) represents a group of arthritidies that share clinical features such as inflammatory back pain and inflammation at sites where tendons attach to bone. It includes ankylosing spondylitis (AS), psoriatic arthritis, inflammatory bowel-disease-related arthritis, reactive arthritis (ReA) and undifferentiated spondylarthritides (uSpA). Since Chlamydia trachomatis or Chlamydia pneumoniae (which are often asymptomatic) frequently cause ReA, a new study examined whether there was a connection between these two infections and uSpA. The study was published in the May issue of Arthritis and Rheumatism...

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