Identifying Somatic Symptom Disorder

In the context of somatic symptom and related disorders, individuals may experience physical symptoms that cannot be fully explained by medical conditions or that exceed expected findings. These disorders often involve an intense focus on physical symptoms, leading to significant distress and impairment. Consider the following scenarios:

A patient frequently visits various doctors for persistent headaches, despite extensive medical evaluation revealing no physical cause. The patient, however, expresses deep concern about the potential seriousness of the headaches.

Which of the following diagnoses most accurately describes this patient’s condition?