People at Risk of Opioid Overdose may be defined as people who use opioids and also meet one or more of the following criteria:
• Known or suspected prescription opioid dependence or heroin use [30]
• History of emergency care for opioid overdose [31]
• Opioid use with known or suspected use of alcohol or benzodiazepines, or other drugs known to increase overdose risk [32,33]
• Release from prison with a history of opioid dependence [34]
• Discharge from a treatment program for opioid dependence [35]
•Enrollment in opioid dependence treatment with methadone during specific times such as induction or discharge [36,37]
• High doses of prescribed opioids [38]
Table 1: A Working Definition of People at Risk of Opioid Overdose.