Amphetamines Alcohol and Drug Foundation Vaping drugs VCU News Virginia Commonwealth University 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 A vape pen confiscated from Douglas High School students contained both traces of Fentanyl and Ecstasy, also known as Molly (MDMA)., These were found in saliva samples collected from the students.,