(Wall Street Journal) – Ultrapotent nitazenes, mostly from China, are easy to smuggle and mix into heroin, recreational drugs and gray-market pharmaceuticals

Fentanyl fueled the worst drug crisis the West has ever seen. Now, an even more dangerous drug is wreaking havoc faster than authorities can keep up.

The looming danger is an emerging wave of highly potent synthetic opioids called nitazenes, which often pack a far stronger punch than fentanyl. Nitazenes have already killed hundreds of people in Europe and left law enforcement and scientists scrambling to detect them in the drug supply and curb their spread.

The opioids, most of which originate in China, are so strong that even trace amounts can trigger a fatal overdose. They have been found mixed into heroin and recreational drugs, counterfeit painkillers and antianxiety medication. Their enormous risk is only dawning on authorities. (Read More)