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Drugs Detected

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Test Type

ToxTests | Fentanyl (FEN) Drug Test Dip Cards

Fentanyl is a potent synthetic opioid analgesic with a rapid onset and short duration of action. Fentanyl is approximately 50 times stronger than heroin and 100 times stronger than morphine. It has become a major contributor to fatal and nonfatal overdoses in the U.S. While it is used clinically for severe pain, most fentanyl-related overdose cases are linked to its presence in illegal drug markets.