Illness Anxiety Disorder

Comparison of Somatic Disorders

Somatic symptom disorder Excessive anxiety & preoccupation with > 1 unexplained symptoms
Illness anxiety disorder Fear of having a serious illness despite few or no symptoms and consistently negative investigations
Conversion disorder Neurologic symptom incompatible with any known neurologic disease; often acute onset associated with stress
Factitious disorder Intentional falsification or inducement of symptoms with goal to assume sick role
Malingering Falsification or exaggeration of symptoms to obtain external incentives (secondary gain)