One or more symptoms cause distress and disruption of daily life
Chronic, influenced by the number of symptoms, age, level of impairment, and any comorbidity
Ineffectiveness of analgesics, history of mental disorders, unclear palliative factors, persistence without cessation, and stress
Must be accompanied by excessive or disproportionate thoughts, feelings, or behavior
Focus is on the distress that particular symptoms cause
Individual's belief that somatic symptoms might reflect serious underlying physical illness are not held with delusional intensity
With enhanced perceptual sensitivity to illness cues