Are fibromyositis or fibrositis related to fibromyalgia?

A Answers (3)

  • Fibromyositis and fibrositis are alternative names for fibromyalgia, a condition that causes chronic, widespread pain. Other symptoms of fibromyalgia include fatigue, insomnia, and depression. About 5 million Americans have fibromyalgia. Approximately 80 percent to 90 percent of people diagnosed with this condition are women.
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  • ACeleste Cooper, Rheumatology, answered

    Among earlier terms for fibromyalgia are:

    • fibromyositis or fibrositis
    • fibromyocitis
    • muscular rheumatism
    • tension myalgia
    • psychogenic rheumatism
    • tension rheumatism
    • neurasthenia
    • fibrositis

    (Cooper and Miller, 2010)

    We now know that fibromyositis is an inflammatory condition of muscle associated with overgrowth of the connective tissue.

    Fibrositis is still used as a synonym for fibromyalgia, even though “itis” is the suffix for inflammation and we now know that fibromyalgia is not an inflammatory disorder. It is a syndrome that affects the central nervous system, perpetuated by peripheral nerve to muscle deregulation.

    All blogs, posts and answers are based on the work in Integrative Therapies for Fibromyalgia, Chronic Fatigue Syndrome, and Myofascial Pain: The Mind-Body Connection by Celeste Cooper, RN, and Jeff Miller, PhD. 2010, Vermont: Healing Arts press and are not meant to replace medical advice.

  • No, fibromyalgia is associated with abnormalities within the pain processing areas of the brain. People with fibromyalgia have a hypersensitivity to pain without any physical changes to their muscles or other tissues. Fibromyositis is chronic inflammation of a muscle, and fibrositis is inflammation of the fibrous tissue which surrounds muscles. Both of these conditions may cause similar symptoms to some symptoms seen in fibromyalgia, however, with fibromyalgia there is no identifiable inflammation either through physical examination or any diagnostic or laboratory testing.
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