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Addict Behav. 2017 Nov;74:63-66. doi: 10.1016/j.addbeh.2017.05.030. Epub 2017 May 23.

Increased use of heroin as an initiating opioid of abuse.

Author information

1
Washington University in St. Louis, Department of Psychiatry, Campus Box 8134, 660 S. Euclid Avenue, St. Louis, MO 63110, United States. Electronic address: Cicerot@wustl.edu.
2
Washington University in St. Louis, Department of Psychiatry, Campus Box 8134, 660 S. Euclid Avenue, St. Louis, MO 63110, United States.

Abstract

INTRODUCTION:

Given the relatively recent growth in access to heroin and a more permissive atmosphere surrounding its use, we hypothesized that an increasing number of persons with limited experience and tolerance to opioids would experiment with heroin as their first opioid rather than more common prescription opioid analgesics.

METHODS:

Individuals entering substance abuse treatment for an opioid use disorder in the period 2010-2016 (N=5885) were asked about the specific opioid they first regularly used to get high. To limit long-term recall and survival bias, analyses was restricted to opioid initiation that occurred in the past ten years (2005-2015).

RESULTS:

In 2005, only 8.7% of opioid initiators started with heroin, but this sharply increased to 33.3% (p<0.001) in 2015, with no evidence of stabilization. The use of commonly prescribed opioids, oxycodone and hydrocodone, dropped from 42.4% and 42.3% of opioid initiators, respectively, to 24.1% and 27.8% in 2015, such that heroin as an initiating opioid was now more frequently endorsed than prescription opioid analgesics.

CONCLUSIONS:

Our data document that, as the most commonly prescribed opioids - hydrocodone and oxycodone - became less accessible due to supply-side interventions, the use of heroin as an initiating opioid has grown at an alarming rate. Given that opioid novices have limited tolerance to opioids, a slight imprecision in dosing inherent in heroin use is likely to be an important factor contributing to the growth in heroin-related over dose fatalities in recent years.

KEYWORDS:

Heroin; Heroin overdose; Opioid abuse; Opioid initiation; Prescription opioid abuse

PMID:
28582659
DOI:
10.1016/j.addbeh.2017.05.030
[Indexed for MEDLINE]

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