Both Chronic Fatigue Syndrome (CFS) and Fibromyalgia (FMS) are difficult to diagnose. These illnesses have a wide range of symptoms that affect multiple systems in the body. They are also linked to various psychological symptoms. In some cases, these conditions are accompanied by a host of other illnesses and most of these are difficult to diagnose.
While scientists and medical researchers are still working hard to study these conditions, there is an umbrella term being used to call them. This term is known as the Central Sensitivity Syndromes or CSS. Some researchers believe that this is the right term to call these conditions and it should replace the other terms such as functional somatic syndrome, medically unexplained syndrome, and somatoform disorders.
So what exactly is central sensitivity syndrome?