Hamilton Opioid Information System - Emergency Department Visits and Hospital Admissions

Visits for general overdoses and drug misuse

  • Between October 4 and October 10, 2021 there were 88 emergency department visits at Hamilton hospitals for drug misuse or overdose. This includes overdoses and misuse associated with drugs and substances other than opioids. 

Visits for suspected overdoses

  • Among the 88 patients visiting Hamilton emergency departments from October 4 and October 10, 2021, 32 cases were suspected overdoses, which may have been related to any drug or substance.

Six month trend

Over the past six months, the numbers of emergency department visits for drug misuse/suspected overdoses has been stable.

Source: Acute Care Enhanced Surveillance, KFL&A Public Health Knowledge Management Team. Prepared by City of Hamilton Public Health Services, extracted October 12, 2021.


Visits and hospitalizations for opioid poisoning

In July 2021, there were 81 emergency department visits and 10 hospitalizations for opioid poisoning.

Between January 2020 and December 2020, on average, there were 61 emergency department visits and 11 hospitalizations per month.

For more information about opioid-related emergency department visits and hospitalizations among Ontario and Hamilton residents, view the Public Health Ontario's Interactive Opioid Tool. Note that the number of emergency department visits on the tool for Hamilton count the visits among Hamilton residents, while the numbers on this page count the number of patients visiting Hamilton hospitals.

Source: Hamilton Health Sciences, IDS: National Ambulatory Care Reporting System (NACRS), received September 30, 2021.

Note: December 2017, January 2018 and February 2018 ED visit data from St. Joseph's Hamilton were 95% complete at the time of reporting. As a result, opioid ED visits may be temporarily undercounted for this reporting period.