Both illicit fentanyl and carfentanil are particularly unsafe opioids that could lead to A fast overdose and Loss of life when abused, but carfentanil is a lot more potent than fentanyl. Various doses on the anti-overdose drug naloxone (Narcan) might not be effective to reverse an overdose. Carry on examiningFentanyl and norfentanyl ended up quanti