Opioids (Canadian Drug Summary)
Author: Canadian Centre on Substance Use and Addiction
Summarizes data on the use of opioids, including the medical and nonmedical use, effects and legal status. The rate of deaths due to opioid toxicity increased by 91 per cent during the two years of the COVID-19 pandemic. Most of those deaths involve opioids that were nonpharmaceutical in origin and often involve other substances.