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Ron Kilgarlin

CEO At American Screening Corporation

Blog posts September 2022

How Long is Fentanyl Detectable in a Drug Test

The half-life of fentanyl is an integral part of its pharmacological properties. Half of the drug remains in the body for approximately five to fifteen hours after ingestion. After that, it can take another five to fifteen hours to leave the system. Because the metabolites of fentanyl linger for a l…

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