Police warning of ‘contaminated or unusually potent’ drugs circulating in Oshawa

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Published February 27, 2026 at 11:35 pm

Dangerous drug supply in Oshawa

Durham Police have issued a Public Safety Advisory over a spike in overdoses linked to a contaminated or “unusually potent” drug supply in Oshawa.

Police are warning the community about a recent increase in suspected drug overdoses in Oshawa, with emergency services responding to a ‘higher-than-usual’ number of overdose calls.

“This spike may be linked to a contaminated or unusually potent supply of illegal drugs circulating in the area. We urge anyone who uses drugs – or who has loved ones who may be at risk – to take extra precautions.”

  • Carry naloxone and know how to use it
  • Call 9-1-1 immediately if someone shows signs of an overdose (slow or no breathing, blue lips or nails, unconsciousness)

Fentanyl is 50 to 100 times stronger than morphine. Even a small amount of fentanyl can cause an overdose. This amount can be as small as two grains of salt.

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