Health Alert: nitazenes, a class of highly potent synthetic opioids, are being detected in Missouri. They are appearing in counterfeit pills, powders and vapes often without users knowing. How dangerous are they? Drug laced vapes pose a serious and growing public health threat. Attractive flavours and packaging can hide dangerous substances such as ketamine, fentanyl, heroin, methamphetamine, THC and synthetic opioids. Even small amounts can Is There Fentanyl in Vapes? What the Evidence Shows Fentanyl laced vape pens