Rheumatoid Arthritis is an autoimmune disease, whereby the immune system mistake healthy tissues as harmful external elements and attacks the mistaken healthy cells. Fibromyalgia, on the other hand, is a pain disorder, where the nervous system and brain interpret pain abnormally. Despite being two different conditions, there are many cases where the two coexist.
Why do fibromyalgia and rheumatoid arthritis coexist?
After numerous studies, it has been found that people with RA can later develop fibromyalgia. Persisting pain from RA and other illnesses can alter how our nervous systems identify and interpret pain, thus leading to fibromyalgia. But the reverse is not true – if a person diagnosed with fibromyalgia does have RA later on, it is purely by chance.