Trends in the Concomitant Prescribing of Opioids and Benzodiazepines, 2002−2014


      Although many clinical guidelines caution against the combined use of opioids and benzodiazepines, overdose deaths and emergency department visits involving the co-ingestion of these drugs are increasing.


      In this ecologic time series study, the IMS Health Total Patient Tracker was used to describe nationally projected trends of patients receiving opioids and benzodiazepines in the U.S. outpatient retail setting between January 2002 and December 2014. The IMS Health Data Extract Tool was used to examine trends in the concomitant prescribing of these two medication classes among 177 million individuals receiving opioids during this period. The annual proportion of opioid recipients who were prescribed benzodiazepines concomitantly was calculated and stratified by gender, age, duration of opioid use, immediate-release versus extended-release/long-acting opioids, and benzodiazepine molecule. The proportion of patients with concomitancy receiving opioids and benzodiazepines from the same prescriber was also analyzed. Analyses were conducted from April to June 2015.


      The nationally projected number of patients receiving opioids and benzodiazepines increased by 8% and 31%, respectively, from 2002 to 2014. During this period, the annual proportion of opioid recipients dispensed a benzodiazepine concomitantly increased from 6.8% to 9.6%, which corresponded to a relative increase of 41%. Approximately half of these patients received both prescriptions from the same prescriber on the same day. Concomitancy was more common in patients receiving opioids for ≥90 days, women, and the elderly.


      Concomitant prescribing of opioids and benzodiazepines is increasing and may play a growing role in adverse patient outcomes related to these medications.
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