Missouri health officials warn nitazenes, potent synthetic opioids, are hard to detect 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 Deadly nitazene vapes: First Australian arrest made in Sydney The Australian Nitazenes Drug Science What Is Nitazenes Addiction Abbeycare