Public health officials in Waterloo, Ontario are alerting the public to the discovery of a cannabis knock-off substance that contains carfentanil, a potent opioid. In fact, the substance contains no cannabis at all, according to a press release.\nAccording to Ottawa Public Health, "carfentanil is an opioid that is used by veterinarians for very large animals like elephants. [...] It is approximately 100 times more toxic than fentanyl and 10,000 times more toxic than morphine."\n"This means carfentanil can be deadly in extremely small amounts."\nFentanyl and carfentanil "cannot be detected by sight, smell, or taste. Overdose can occur via inhalation, ingesting or injecting," the press release from Ottawa Public Health continues.\nA substance seized in #Ontario has the appearance of #cannabis but tested positive for carfentanil. There is no cannabis in this product. This substance has not been found in #WaterlooRegion. For information click here: https://t.co/p1c4KWLPYf pic.twitter.com/3pqd86bqUP— WRIDS (@DrugStrategyWR) May 22, 2019\nPhotos from the health agency indicate that the carfentanil-containing substance is very similar in appearance and texture to cannabis products.\nWaterloo Public Health\nWaterloo Public Health outlines a number of steps Canadians should take in the event of an overdose. The following information comes directly from the agency press release. "If someone overdoeses:\n1. Call 911 2. Administer naloxone if an opioid overdose is suspected 3. Do not give stimulants (e.g. crystal meth) as this can make the overdose worse 4. Continue to assist victim until paramedics arrive 5. The victim should accompany paramedics to hospital"\n"The opioid crisis continues to devastate communities and families across the country. It is affecting the health and lives of people from all walks of life, all age groups and all socio-economic backgrounds," the government of Canada website states.\n"More than 10,300 apparent opioid-related deaths occurred between January 2016 and September 2018," one government report states. Read more about the opioid crisis, harm reduction, and addiction treatment here.\n"More people died in Waterloo Region in 2017 as a result of opioid overdose than from motor vehicle accidents.” Doing nothing is not an option. #WRCares https://t.co/NwNh3StuhP pic.twitter.com/aegqHxjzYo— WRIDS (@DrugStrategyWR) May 22, 2019\nYou can read the press release from Waterloo Public Health here.\nThe carfentanil cannabis knock-off is circulating in Ontario but has not been identified in Waterloo, specifically.