Chronic fatigue syndrome (CFS) and fibromyalgia (feye-broh-meye-AL-juh) (FM) are not autoimmune diseases. But they often have symptoms of some autoimmune disease, like being tired all the time and pain.
- CFS can cause you to be very tired, have trouble concentrating, feel weak, and have muscle pain. Symptoms of CFS come and go. The cause of CFS is not known.
- FM is a disorder in which pain or tenderness is felt in multiple places all over the body. These "tender points" are located on the neck, shoulders, back, hips, arms, and legs and are painful when pressure is applied to them. Other symptoms include fatigue, trouble sleeping, and morning stiffness. FM mainly occurs in women of childbearing age. But children, the elderly, and men are sometimes can also get it. The cause is not known.
Air Ambulance International.