The advice from the ACMD will now be considered "urgently" by the government before a final announcement is made.

A class of synthetic opioids known as the nitazenes that are as potent as fentanyl -- or stronger -- have been increasingly involved in deaths in the U.S. and globally, according to reports. "These ...

Add Yahoo as a preferred source to see more of our stories on Google. Nitazenes, like this powder sample, are a class of synthetic opioids more potent than morphine and fentanyl. Joe Lamberti/The ...

Nitazenes, a class of synthetic drugs 40 times more potent than fentanyl, are steadily becoming more common on both sides of the Atlantic. Nitazenes were first synthesized in the 1950s by CIBA ...

Black box warnings, or boxed warnings, are serious warnings that come from the FDA. They are meant to alert people about drug effects that may be dangerous. Specific drugs may carry a boxed warning, ...