In the first section of this encyclopedic volume dr robert kellner surveys the biological psychological and psychiatric studies on nine psychosomatic syndromes draws conclusions about the complex etiology of these syndromes offers guidelines for diagnosis and recommends treatments based on research findings the second section is an overview of the various processes that lead to bodily . Significant emotional and physical distress are present with psychosomatic symptom disorder while everyones experience may be different there are some common symptoms of psychosomatic symptom disorder specific sensations such as shortness of breath or pain more specific symptoms such as weakness or fatigue. Symptoms symptoms of somatic symptom disorder may be specific sensations such as pain or shortness of breath or more general symptoms such as fatigue or weakness unrelated to any medical cause that can be identified or related to a medical condition such as cancer or heart disease but more significant than whats usually expected. Somatic symptom disorder is a psychiatric diagnosis characterized by somatic physical symptoms that are either very distressing or cause a significant disruption in the ability to function normally 2 symptoms commonly include pain fatigue weakness and shortness of breath the degree of symptoms is not relevant to a diagnosis of ssd