Student overdoses on fentanyl after using laced marijuana vape 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 Fentanyl Fact Friday Even vape cartridges bought on the street can contain fentanyl. This danger is real and it's reaching our schools. Have the conversation. Share the warning. #DOITFORJACK #AwarenessMatters Vape pens found laced with fentanyl and heroin in Central PA school district