Both of those illicit fentanyl and carfentanil are extremely perilous opioids which could result in A fast overdose and Dying when abused, but carfentanil is much more strong than fentanyl. Many doses on the anti-overdose drug naloxone (Narcan) is probably not effective to reverse an overdose. Proceed studyingFentanyl OD or W/D!!! Undecided, have t