Cannabis vapes in Australia containing opioids spark calls for better access to anti overdose drugs Vaping The Guardian Fentanyl in Vapes: Is It Real, How to Tell & What the Risks Are Northern District of West Virginia U.S. Attorney warns of vaping dangers United States Department of Justice Pills, powders and vapes may look legit But some may contain synthetic opioids like Nitazenes or Fentanyl It's all a deadly gamble.