Who does fibromyalgia affect?

Fibromyalgia affects predominantly women (over 80%) between the ages of 35 and 55. Rarely, fibromyalgia can also affect men, children, and the elderly. It can occur independently or can be associated with another disease, such as systemic lupus or rheumatoid arthritis. The prevalence of fibromyalgia varies in different countries. In Sweden and Britain, 1% of the population is affected by fibromyalgia. In the United States, approximately 2% of the population have fibromyalgia.