Spike In Fentanyl-Related Overdoses Tuesday, March 29, 2016 | Sacramento, CA Listen / download audio Update RequiredTo play audio, update browser or Flash plugin. kev-shine / Flickr Sacramento County saw a spike in drug overdoses last week. The culprit: Norco tablets potentially contaminated with fentanyl, a fast-acting synthetic opiate 30 to 50 times more potent than heroin. Fentanyl-related deaths have been increasing across the country as more and more youth gain access to the drug. Jon Daily, clinical director at Recovery Happens, joins Insight to explain what fentanyl is and why it’s so dangerous. NPR Series: Treating The Tiniest Opioid Patients The Interpersonal Neurobiology of Addicti on from California Southern University on Vimeo.