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how long do metabolites stay in urine

A 47-year-old member asked:
Dr. Carlos Satulovsky
27 years experience Psychiatry
Depends: The main metabolite is benzoilecognine, there is consensus that until 4-7 days (and even more when combined with marijuana use) is expected positive w ... Read More
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A 41-year-old female asked:
Dr. Julie Abbott
44 years experience Preventive Medicine
I don't know: I was able to find information about a lab which routinely does methadone drug testing.Their service keeps specimens for retesting for 30 days. I woul ... Read More
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A 32-year-old female asked:
Dr. Donald Jacobson
A Verified Doctor answered
A US doctor answered Learn more
Cocaine urine test: Infrequent users: 3-4 days; heavy users: 10 days; chronic users and/or users with high body fat: 30 days. Depends on several factors as you can see. T ... Read More
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A 32-year-old male asked:
Dr. Paul Pyles
32 years experience Addiction Medicine
About 4-7 days: Benzoylecgonine is the metabolite for which the screening test is checking. Avoid use of caffeine and alcohol as these tend to delay metabolism and ex ... Read More
A 40-year-old member asked:
Dr. Aron Tendler
18 years experience Psychiatry
44 Days: In the most chronic user.
A 45-year-old member asked:
Dr. Julia Irwin
25 years experience Psychiatry
cocaine + for days: Most drug screens will detect Cocaine for 2-4 days following use. With high doses used, it can be detected for as long as 22 days.
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A 23-year-old male asked:
Dr. Pamela Pappas
41 years experience Psychiatry
Cocaine: Cocaine metabolites can be found in urine from 2-30 days after use.
A 34-year-old male asked:
Dr. Robert Grindstaff
37 years experience Addiction Medicine
It varies: occasional use up to 4 weeks chronic use 6 weeks.
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A 18-year-old male asked:
Dr. Ladislav Volicer
61 years experience Geriatric Psychiatry
Long time: Some marihuana substances have an elimination half-life of 20 hours. However, some are stored in body fat and have a elimination half-life of 10 to 13 ... Read More
A 34-year-old male asked:
Dr. John Gaffney
24 years experience Psychiatry
Generally: Any lab that performs this type of test would have completed it fairly quickly and as such, metabolite deterioration is not an issue. Hope that help ... Read More
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