Safety Check: How to prevent and respond to a fentanyl overdose

Michael Howie

Fentanyl is an illegal synthetic opioid that is commonly laced in pills of other drugs, often to make them cheaper and more effective. It's up to 50 times more potent than heroin, up to 100 times stronger than morphine and is a major contributor to fatal and nonfatal opioid overdoses in the U.S.