The two illicit fentanyl and carfentanil are extremely harmful opioids which could result in A fast overdose and Demise when abused, but carfentanil is much more strong than fentanyl. A number of doses from the anti-overdose drug naloxone (Narcan) is probably not effective to reverse an overdose. Keep on readingFentanyl and norfentanyl ended up qua