A few comments suggested adding other substances, such as methadone or synthetic cannabinoids, to the drug testing panel. However, DOT said it does not have the authority to add substances such as ...

Fentanyl technically has been around since the 1960s, but experts now are labeling the synthetic drug as “emerging,” largely because users are dying in greater numbers and it has become more readily ...

The U.S. Department of Transportation is proposing to amend its drug testing regulations to add fentanyl (a synthetic opioid) and norfentanyl (a metabolite of fentanyl) to its drug testing panels. The ...