The Journal of family practice
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The prevalence of symptoms related to fibrositis was investigated for patients seen in a primary care setting. Of 692 adult patients evaluated, 33 (4.6 percent) had symptoms of unexplained, chronic, diffuse muscular pain. ⋯ The percentages of these patients who met the fibrositis criteria ranged from 17 to 55 percent. These results suggest that unexplained, diffuse muscular aching is a common problem, that it is rarely diagnosed, and that the use of several criteria to define fibrositis excludes many patients with the typical primary symptoms.