• Benjamin J Morasco and Steven K Dobscha.
• Behavioral Health and Clinical Neurosciences Division, Portland VA Medical Center, Department of Psychiatry, Oregon Health and Science University, Portland, OR 97219, USA. benjamin.morasco@va.gov
• Gen Hosp Psychiatry. 2008 Mar 1; 30 (2): 93-9.

ObjectiveThe goal of this paper was to examine the relationship between history of substance use disorder (SUD) and self-reported prescription medication misuse in 127 primary care patients who receive opioid medications for treatment of chronic pain.MethodParticipants completed measures of pain location, pain intensity, disability due to pain, and misuse of prescription medications. Other measures included demographic characteristics, psychiatric symptomatology and quality of life.ResultsSeventy-eight percent of participants reported at least one indicator of medication misuse in the prior year. After adjusting for age and clinical factors (pain severity, depression severity, current alcohol or substance use disorder), participants with SUD history were significantly more likely than participants without SUD history to report borrowing pain medications from others (OR=6.62, 95% CI=1.4-30.7) and requesting an early refill of pain medication (OR=3.86, 95% CI=1.5-9.6).ConclusionsMisuse of prescription medications is a concern among primary care patients with chronic pain. Participants with a lifetime history of SUD are more likely to endorse some aberrant medication-related behaviors. Patients with SUD histories should be carefully evaluated for medication misuse potential and may require more intense assessment and follow-up.

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