Both of those illicit fentanyl and carfentanil are very unsafe opioids that will bring on A fast overdose and Dying when abused, but carfentanil is a lot more strong than fentanyl. Various doses of the anti-overdose drug naloxone (Narcan) may not be effective to reverse an overdose. Keep on looking atBodily or psychological stress, arrhythmia, tran