Fentanyl is a synthetic opioid that’s 50-100 times stronger than the pain reliever morphine. While some people use fentanyl on purpose, many others get it in their systems without their knowledge.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Over the course of the pandemic, drug overdose deaths, already an ...

A red stripe on a test strip indicates that a heroin sample is positive for fentanyl. In the face of relentless increases in overdose deaths that involve fentanyl, the strips have become an important ...