Both of those illicit fentanyl and carfentanil are exceptionally risky opioids which will lead to A fast overdose and Dying when abused, but carfentanil is a lot more strong than fentanyl. Many doses with the anti-overdose drug naloxone (Narcan) is probably not effective to reverse an overdose. Go on examiningNEONATAL OPIOID WITHDRAWAL SYNDROME: Pr