Fentanyl Drug Test Strips Fentanyl Drug Test Strips are highly sensitive tools designed to detect the presence of fentanyl, a potent synthetic opioid often mixed with other drugs, increasing the risk of overdose. These strips are widely used by harm reduction programs, law enforcement, and healthcare providers to identify fentanyl contamination in substances or urine samples. They deliver fast, accurate results within minutes, helping to prevent accidental fentanyl exposure and support overdose prevention efforts.