Researchers are working on vaccines and monoclonal antibodies to prevent fentanyl overdose. After decades of failed attempts ...

A new federal warning is drawing attention to three fentanyl analogues that officials say are especially potent or ...

City officials — and one determined mother — are working to stop the spread of cychlorphine, which is far more potent than ...

Cychlorphine, a synthetic opioid which has a potency approximately 10 times greater than fentanyl, has already been linked to two New Jersey deaths.

Officials said that the U.S. Navy service members continued to deal to other crew, even after one person on the carrier ...

A young man approached a card table set up under the Green Line tracks on the city’s West Side and asked the woman behind it if she had any clean needles or naloxone, a medication that can reverse the ...

Fentanyl is a synthetic opioid drug, similar to morphine or heroin but far more potent, that is manufactured entirely in laboratories and has no natural ingredients. In medical settings, it is ...

Politicians in British Columbia believed that legalizing the synthetic opioid, along with other hard drugs including heroin, ...

A San Francisco teen’s fatal overdose led officials to identify cychlorphine, a new synthetic opioid up to 10 times more ...