Sales of fentanyl test strips have exploded as a growing number of overdose-prevention programs hand them out to people who use illicit drugs. Government agencies have begun paying for the test strips and providing them to needle-exchange programs. "I don't think they're going to be using fentanyl test strips and say 'Oh gee, this is positive for fentanyl? FALSE NEGATIVESSome health officials worry that there's a chance that the test strips will fail to detect certain contaminants. Some outreach workers understand the caution, noting for example the test strips detect the presence of fentanyl, but not how much.

Source: ABC News September 17, 2018 04:06 UTC