Increase in unexpected adverse reactions

Posted On Friday November 19, 2021

The Overdose Monitoring Alert and Response System (OMARS) is issuing an Overdose Alert for the Waterloo Region.

Emergency Services in Waterloo Region have responded to an increased number of calls related to dangerous and unexpected reactions following drug use.

There are no reports of a specific colour of substance circulating. Unexpected reactions are life threatening and can include extreme agitation, unexpected physical aggression, hallucinations, hyperthermia, delirium, and paranoia. One reaction resulted in a delayed overdose.

Please see the PDF below for more information.

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