Somatoform Disorders - Differential Diagnosis Algorithm

 - Patient presents with complex medical problem or symptoms that cannot be explained medically

Symptoms Consciously Produced

 • Factitious Disorder - Motivation is primary gain (to assume the sick role)

 • Malingering - Motivation is secondary gain

Symptoms Not Consciously Produced

 • Illness Anxiety Disorder - Focus is the sick role; not accepting reassurance

 • Body Dysmorphic Disorder - Focus is appearance; exhibit significant distress

Focus is a physical symptom

 • Pain Disorder - Pain; psychological factors important

 • Somatization Disorder - Multiple symptoms; long history

 • Conversion Disorder - Neurologic

 • Undifferentiated Somatoform Disorder - One or more symptoms for at least six months



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