What Are Nitazenes? The Drug Stronger Than Fentanyl That Is Killing Hundreds Every Year WSJ It's February. How heart smart are St. Louisans? More than 1200 vape vials laced with nitazene, a synthetic opioid 200 times more potent than morphine, were sold across Sydney, sparking Australia's first arrest over vapes spiked with the drug. Police People are dying': rise of nitazenes should be treated as pandemic, injecting centre head says Opioids The Guardian Man charged with supplying nitazene laced vape liquid in Australian first ABC News It's a name you've probably never heard: nitazenes. These synthetic opioids are being found in counterfeit pills, powders and vapes. Nitazenes are 5 to 10 times more potent than fentanyl. Even a