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 nev er been approved for use in humans. Like fentanyl, cychlorphine is being mixed... ...read more read less