What makes a physician consider a chronic pain syndrome diagnosis in addition to crps?

CRPS is localized: to the general area of an injury or disease process. If pain or other symptoms are more widespread or occur in other specific locations that weren't injured or otherwise affected, the physician, s/he will need to consider other diagnoses. Fibromyalgia, opiate addiction & abstinence syndrome, as well as a systemic disease process such as an autoimmune disorder, are among the possibilities.