The diffuse aching pain is often described as "head to toe" and is usually more severe in the neck, shoulders and feet (in the parts of the body that are used the most). The severity of this condition varies from person to person but fibromyalgia is never fatal but can reduce quality of life considerably. The cause of this disease that affects mainly women is unknown.

It is known that weight reduction relieves the symptoms if a person who suffers from Fibromyalgia carries extra weight or is obese.