How do Somatic Symptom Disorder and Illness Anxiety Disorder differ?

• A. Somatic Symptom Disorder requires preoccupation with illness, while Illness Anxiety Disorder centers on somatic symptoms.
• B. Illness Anxiety Disorder requires prominent somatic symptoms.
• C. Somatic Symptom Disorder involves one or more distressing somatic symptoms with excessive thoughts/feelings/behaviors about them; Illness Anxiety Disorder involves preoccupation with having or acquiring a serious illness with minimal symptoms and high health anxiety.
• D. They are identical in presentation.

Answer: (C)