Pain disorder
The main symptom of pain disorder is chronic pain that lasts for several months and limits a person's work, relationships, and other activities.
A thorough medical evaluation, including laboratory work, is done to determine possible causes of the pain.
DeGruy FV. The somatic patient. In: Rakel RE, ed. Textbook of Family Medicine. 7th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 61.
Purcell TB. Somatoform disorders. In: Marx J, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 6th ed. Philadelphia, Pa: Mosby Elsevier;2006: chap 111.