What to know about cychlorphine, the synthetic opioid 10 times stronger than fentanyl

Multiple states have raised the alarm in the past month about cychlorphine, a synthetic opioid tied to several dozen recent overdoses that is far stronger than fentanyl. Cychlorphine is part of a new class of synthetic opioids making their way into the U.S. illicit drug supply. The drug has never been approved for use in humans. Like fentanyl, cychlorphine is being mixed...