SACRAMENTO — Fentanyl test strips used to be illegal in California. Now, state law requires them on community and state college campuses, and they're popping up everywhere from vending machines to ...

(Editor's Note: This story is not about fentanyl addiction, which is a separate serious issue. This story is for people who would never intentionally take fentanyl, and their families and their kids' ...

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 ...

There’s a new tool that may help address the dangers of xylazine, a powerful animal tranquilizer increasingly found in street drugs. A handful of harm reduction programs in Massachusetts have started ...

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 ...