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Is Fibromyalgia an Autoimmune Disease?

By Adrienne Dellwo, About.com

Updated: July 3, 2008

About.com Health's Disease and Condition content is reviewed by Kate Grossman, MD

Question: Is Fibromyalgia an Autoimmune Disease?

Some websites and books called fibromyalgia an autoimmune disease, but others say it's not. Is fibromyalgia autoimmune?

Answer: No, fibromyalgia is not an autoimmune disease. In autoimmune disorders, the immune system attacks parts of the body. In fibromyalgia, irregularities in hormones, neurotransmitters (messengers in the brain) and enzymes (substances necessary for chemical reactions) are responsible for symptoms.

Some researchers, however, suspect the immune system may be somewhat irregular in people with fibromyalgia.

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