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Drug Ingestion/Detection times (Oral Fluid)

There are two time periods that are significant when it comes to the detection of drugs; how long after a drug is taken is it first detectable (ingestion) and how long the drug is detectable in urine (detection).

Drug

How soon after consumption, can the drug be detected?

How long after consumption, can the drug be detected?

Marijuana/Pot*

30-60 mins (1)

Rapid shorter than lab  -  Lab 6-30hrs(1)

Crack (Cocaine)

30-60 mins (1)

Rapid shorter than lab  -  Lab 2-47hrs(1)

Heroin (Opiates)

30-60 mins (1)

Rapid shorter than lab  -  Lab 1.5-28hrs(1)

Speed/Uppers

(Amphetamine,

methamphetamine)

30-60 mins (1)

Rapid shorter than lab  -  Lab 46-48hrs(2)

Tramadol

30-60 mins (1)

Rapid shorter than lab  -  Lab 22-38hrs(1)

Ecstasy

30-60 mins (1)

Rapid shorter than lab  -  Lab 24hrs(2)

Methadone

30-60 mins (1)

Rapid shorter than lab  -  Lab 24-48hrs(3)

Oxycodone

30-60 mins (1)

Rapid shorter than lab  -  Lab 4-28hrs(1)

*Times can vary significantly from these estimates based on how long the person has been taking the drug, the amount of drug they use, or the person's metabolism.

(1) -Arnold, L.S., Benson, A.J., Chen, K.T., Kelley-Baker, T., & Horrey, W.J. (2019). Detection Windows for Drugs in Oral Fluid: Cannabinoids, Stimulants, and Opioids (Research Brief). Washington, D.C.: AAA Foundation for Traffic Safety.

(2) - 2004 Lippincott Williams & Wilkins

(3) - Ann N Y Acad Sci. Author manuscript; available in PMC 2009 June 22.

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