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.

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 ...

Proponents say the ability to check drugs for the presence of lethal fentanyl may save lives. But critics say the strips enable drug use. By Jan Hoffman Photographs by Desiree Rios “You smoke weed?” ...

In an effort to slow the proliferation of synthetic opioid-related deaths, California will begin offering free fentanyl-testing strips to eligible organizations across the state that ask for them, the ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — The death of five adults in ...

Amid a nationwide overdose epidemic, more states are legalizing at-home fentanyl rapid tests to spot the potentially fatal substance hidden in recreational drugs. Last week, Tennessee and New Mexico ...

Fentanyl test strips are sold online and easily obtained free from many public health departments. They’re touted as a harm reduction tool to help drug users determine whether fentanyl is present in a ...

The government’s top addiction scientists and key public health officials are calling for more research into fentanyl test strips. Amid a devastating overdose epidemic, the U.S. must ensure that test ...

In New York, fentanyl test strips are becoming more common as a way to fight an overdose crisis, and more states are pushing to legalize them. But not all users are trying to avoid the powerful drug.