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 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 What Are Nitazenes? The Drug Stronger Than Fentanyl That Is Killing Hundreds Every Year WSJ Synthetic Opioids Found in Vapes and THC Products Narcotics.com Deadly nitazene vapes: First Australian arrest made in Sydney The Australian Nitazenes kill. How to stay safe from an opioid overdose