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.

The potent opioid fentanyl is driving a dramatic increase in overdose deaths — and health experts agree that rapid testing strips can save lives. Still, access remains limited. Here's what's at stake.

Fentanyl test strips are coming to Washington State University Vancouver and Clark College campuses this fall, as mandated by a new state law. Fentanyl test strips look similar to pH test strips.

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 ...

When Mark Wiger’s daughter found a bag of powder on the side of the road on July 14, 2022, she thought it was cocaine. She texted a friend to ask where to get fentanyl testing strips, but her friend ...

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?” ...