>>12399957Fibromyalgia exists in the sense that there are people who suffer the symptoms commonly defined as fibromyalgia with the same unknown cause.
However, there's no reason to believe that as research on the condition progresses, we won't find that it's actually multiple separate conditions demanding different treatment. This means we will see a phase where, as treatments for one variety of fibromyalgia are discovered, patients who have a different form of it will be accused of all manner of things.