<unk>  pain disorder is pain that is severe enough to disrupt a person's everyday life.
The pain is like that of a physical disorder, but no physical cause is found. The pain is thought to be due to psychological problems.
The pain that people with this disorder feel is real. It is not created or faked on purpose (malingering).
Somatoform disorder
Somatization disorder
Somatic symptom disorder
Malingering
Factitious disorder
Substance-related disorder
Tic disorder
Psychopathy