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