Fibromyalgia refers to the condition of widespread chronic pain in the body, usually accompanied by memory loss, mood swings, fatigue and sleep disorders. Patients may even experience debilitating joint pain, difficulty in swallowing and abnormalities in bladder and bowel movement. The exact causes behind fibromyalgia are unknown, but researchers believe genetic, environmental, psychological and genetic factors might be behind it.

Fibromyalgia has been associated with depression, posttraumatic stress disorder, and anxiety.