They can be stronger than fentanyl.

A new synthetic opioid, cychlorphine, is emerging in illicit drug markets and forensic labs, raising fresh concerns for ...

Missouri health officials are raising concerns about a powerful new drug showing up in the state’s illegal opioid supply, as ...

Add Yahoo as a preferred source to see more of our stories on Google. KANSAS CITY, Mo. — “It’s devastatingly lethal.” That’s how experts, law enforcement and law makers describe nitazenes, something ...

Add Yahoo as a preferred source to see more of our stories on Google. WASHINGTON — U.S. Rep. Bob Latta, R-Bowling Green, introduced the Strengthening Tools to Outlaw Poisonous Nitazenes Act. This bill ...

Drug testing of non-biological samples revealed a new nitazene opioid, N-pyrrolidino fluetonitazene, in a nasal spray.

An experimental opioid alternative called DFNZ achieved effective pain relief in mice without addiction risk or breathing suppression, a study found.