Sentences with phrase «potent synthetic opioids»

Not exact matches

Center stage on what experts consider to be a worsening opioid crisis are heroin and the synthetic opioid fentanyl — 30 to 40 times more potent than heroin by weight — and fentanyl - related medicines such as carfentanil — 300 to 400 times stronger than heroin by weight, said Dr. Daniel Ciccarone, a professor of family and community medicine at the University of California, San Francisco.

And those drugs are sometimes spiked with more potent opioids such as fentanyl (SN: 9/3/16, p. 14) or even carfentanil, a synthetic opioid that's used to tranquilize elephants.

Increasingly, drug users are turning to opioids and powerful synthetic versions of these drugs that can sometimes be as much as 100 times more potent than heroin,» says Kim D. Janda, Ph.D., who led the research into the vaccines.