Vapes spiked with illegal drugs show dark side of CBD craze The Seattle Times Trend of putting illicit drugs in vapes growing, Oklahoma officials say 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 Vaping: Get the Facts. Protect Your Future Anne Arundel County Health Department