• George R Hansen.
• Department of Emergency Medicine, Sierra Vista Regional Medical Center, 1010 Murray Avenue, San Luis Obispo, CA 93405, USA. cingemanor@aol.com
• Emerg. Med. Clin. North Am. 2005 May 1;23(2):307-38.

AbstractChronic nonmalignant pain requires evaluation and treatment different from acute pain. The pathophysiology is different, and there is commonly some degree of psychosocial dysfunction. Opioids tend to be much less effective as analgesics for chronic pain, and may increase the sensitivity to pain when given long-term. Because they are self-reinforcing, opioids may be sought and be reported to improve chronic pain, even when they may make the condition worse over time. There are many effective alternatives to opioids for the treatment of chronic pain, but their use is complicated and may require considerable time and effort to determine which ones work. Patients, particularly those who have already been prescribed opioids, may resist these alternatives. An extensive physical and psychosocial evaluation is required in the management of chronic pain, which is difficult if not impossible to achieve in the emergency or urgent care settings. Consequently, emergency and urgent care physicians should work closely with the patient's pain management specialist or personal physician. Systems should be set up in advance to identify those patients whose frequent use of acute care services for obtaining opioids may be compromising their long-term management, putting themselves at risk for psychological and tolerance-induced adverse effects of frequent opioid use. Opioids may be used in carefully selected patients in consultation with their pain management specialist or personal physician, but care must be exercised not to initiate or exacerbate psychological or tolerance-related complications of chronic pain.

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