People are dying': rise of nitazenes should be treated as pandemic, injecting centre head says Opioids The Guardian Synthetic Opioids Found in Vapes and THC Products Narcotics.com 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 It's February. How heart smart are St. Louisans? Nitazenes kill. How to stay safe from an opioid overdose