Between Monday and Thursday, there were a total of 70 suspected cases of drug overdoses or poisonings in the Waterloo region. The Overdose Monitoring Alert and Response System for the southern Ontario area issued a warning on Friday regarding yellow powdered drugs. This alert was an extension of a previous community drug warning that was initially put in place on September 18.
The alert highlighted instances of rapid and heavy sedation reported by individuals. Those who consume unregulated fentanyl obtained from street sources are particularly at risk. Through Sanguen’s Drug Checking Program, it was discovered that the fentanyl was mixed with other substances such as the tranquillizer medetomidine, benzodiazepines, para-fluorofentanyl, and nitazenes.
The drug alert emphasized the high toxicity of the street drug supply, cautioning that these substances may have unexpected compositions leading to unforeseen reactions. Individuals might experience rapid sedation even after a single use, requiring higher doses of naloxone for revival.
Initially triggered by 48 suspected overdose cases and one drug-related fatality between September 14 and 17, the drug alert advises that in the event of an overdose, individuals should immediately call 911, remain with the affected person until help arrives, and administer naloxone if possible.

