The Clinical journal of pain
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Opioid-related mortality has increased in the United States in the past decade. The purpose of this study was to examine trends and regional variation in opioid prescribing and overdose rates in a national health system, the Veterans Health Administration. ⋯ The present study demonstrates that the increases in prescription opioid overdoses observed in the general population are also found in the patient population of a national health system and provides further evidence of the population-level association between trends in opioid prescribing and opioid overdose deaths. There is substantial regional variation in both opioid prescribing and opioid-related overdose rates, and these data can inform region-specific overdose prevention strategies and opioid policy.