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Acute pain management in the opioid-tolerant patient.

SUMMARY Opioid use is increasing worldwide leading to an increasing number of opioid-tolerant patients requiring acute pain management after surgery, trauma and acute diseases. Provision of analgesia in opioid-tolerant patients is complex due to the pharmacological effects of long-term opioid exposure, but also due to pre-existing pain states, comorbidities and psychosocial issues. Acute pain management in these patients is governed by the principles of provision of good analgesia, avoidance of withdrawal and organized discharge. Pain relief needs to be achieved by the use of multimodal analgesia, including regional anesthetic techniques and, if needed, opioids in increased doses. Withdrawal is best prevented by ongoing opioid substitution at previously established doses. Discharge planning requires multidisciplinary input and good communication with all healthcare providers involved.