How Long Does Fentanyl Stay in Your System and Urine?
Another analog, acetylfentanyl, is approximately three times less potent than fentanyl, but has still led to clusters of overdoses in several states. As the Chief of Medical Toxicology at UMass Chan Medical School, I have studied fentanyl and its analogs for years. As fentanyl has become ubiquitous across the U.S., it has transformed the illicit drug market and...
