Drug Policy and Fentanyl Era

Federal health officials are warning that new mixes of synthetic drugs in the illicit market threaten a recent, sharp decline in U.S. overdose deaths. The concern, highlighted in recent reporting, centers on emerging synthetic opioids and adulterants — including nitazenes, xylazine and other sedatives, and reports of a novel compound called cychlorphine — that are increasingly being found combined with or substituted for fentanyl across the country. The warning comes amid a two-year span in which annual U.S. overdose fatalities fell markedly, from roughly 113,000 deaths in the 12 months ending August 2023 to about 73,000 in the 12 months ending August 2025, a drop public health officials largely attribute to a disruption in the fentanyl supply chain after crackdowns on precursor chemicals following a 2023 summit between the U.S. and China.