What is fentanyl?

Fentanyl is a powerful opioid that is a common contaminant of illicit drugs. Fentanyl acts on the brain to cause life-threatening respiratory depression. The antidote naloxone (Narcan®) can reverse the effects of fentanyl overdose.

What Is Fentanyl and Why Is It So Dangerous? - WSJ

Understanding Fentanyl Addiction

Fentanyl and opioid crisis: What is fentanyl drug, fentanyl patch

What is Fentanyl? National Institute on Drug Abuse (NIDA)

Fentanyl: where did it all go wrong? - Pharmaceutical Technology

What is fentanyl and why is it behind the deadly surge in US drug overdoses?

Fentanyl: What You Need To Know - CCC MEDS Coalition

What Does Fentanyl Look Like?

Fentanyl