Which of the following describes Somatic Symptom Disorder?

Somatic Symptom Disorder is characterized by one or more physical symptoms that are distressing or result in significant disruption to daily life, and these symptoms cannot be fully explained by a known medical condition. This aligns with the correct answer, which indicates that symptoms manifest without an obvious medical source. In this disorder, the focus is not merely on the presence of physical symptoms, but also on the psychological distress and preoccupation that accompany them.

The key aspect of Somatic Symptom Disorder is the disproportionate severity of thoughts, feelings, or behaviors related to the bodily symptoms, which are not being adequately explained by medical findings. This problem persists even in the absence of a clear physical diagnosis, leading to significant concern and emotional turmoil for the individual.

In contrast, other options present distinctions that do not accurately capture the essence of Somatic Symptom Disorder. For instance, symptoms attributed to a clear medical causation, chronic fatigue linked explicitly to psychological disorders, or physical symptoms triggered by environmental stressors do not encapsulate the lack of a medically-based explanation that is foundational to Somatic Symptom Disorder. Understanding this distinction is crucial for proper diagnosis and treatment.