Do Drugs Contain What We Think They Contain? Results from CUSP: The Community Urinalysis and Self-Report Project

Visually presents substance use trends and describes whether expected substance use aligned with actual substance contents. Data were collected from harm reduction sites in seven regions across Canada that participated in the Community Urinalysis and Self-Report Project between 2021 and 2023.

Drugs from the unregulated market often contain added substances that people who use drugs do not know are there or do not intend to use. This is a key driver of unintentional drug poisoning and the drug poisoning crisis.