Furanylfentanyl: another fentanyl analogue, another hazard for public health

The fentanyls are a family of drugs that have caused hundreds of deaths in Europe and the United States. They first appeared in the United States in the late 1970s; they were sold as heroin to unsuspecting users. Furanylfentanyl is a potent synthetic drug, an analogue of fentanyl that belongs to the above family. It has no proven medical use, but it is abused throughout the world for its opioid-like effects. The drug is mainly manufactured in...