Fentanyl: widely used, deadly when abused
- Written by David A. Edwards, M.D. Ph.D., Assistant Professor of Anesthesiology & Pain Medicine, Vanderbilt University

Fentanyl, a synthetic opioid narcotic about 100 times as potent as morphine, continues to be in the news, as deaths from fentanyl overdose continue to rise and even more potent nonpharmaceutical forms become available on the street. It was the drug in Prince’s body...