Protracted Renal Clearance of Fentanyl in Persons with Opioid Use Disorder
Fentanyl can only be detected in the blood for up to 12 hours after the last use. Blood testing is the least common way to test for fentanyl and is also not reliable in terms of detecting drug abuse. As fentanyl is broken down by the body, byproducts known as metabolites are left behind. Metabolites can stay in the body much longer and can be detected by some drug…