Each illicit fentanyl and carfentanil are very dangerous opioids which will bring on a quick overdose and Dying when abused, but carfentanil is much more potent than fentanyl. Numerous doses of the anti-overdose drug naloxone (Narcan) is probably not effective to reverse an overdose. Proceed studyingFentanyl and norfentanyl ended up quantified in f… Read More