Fibromyalgia is a common cause of pain that is spread throughout the body, affecting muscles, ligaments, and tendons. Outside of pain, Fibromyalgia may also be associated with fatigue, mood difficulties, and sometimes cognitive difficulties.
Fibromyalgia is relatively common, present in about 2 to 3 percent of people. The incidence tends to increase with age. It affects women more than men, typically between the ages of 20 and 55 years old.Other conditions tend to cluster with Fibromyalgia, including irritable bowel syndrome and migraine.