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how long does cocaine show up in urine drug test

A male asked:
Dr. Ralph Morgan Lewis
37 years experience Family Medicine
Cocaine's half-life: Is relatively short (0.5-1.0 hrs) so it's gone from your system w/i a day; its primary metabolite benzoylecgonine, however, has a longer half-life (5- ... Read More
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A 27-year-old male asked:
Dr. Kenneth Adler
48 years experience Psychiatry
Cocaine testing: Cocaine should be out of your system in 2-3 days. There are many factors the will determine how long a test will be positive, including amount used, f ... Read More
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A 50-year-old male asked:
Dr. Dean Giannone
24 years experience Internal Medicine
Few days. : After a dose of Valium, it may be detected in the urine for up to three or four days, depending on the test utilized.
A 41-year-old member asked:
Dr. Alvin Stein
59 years experience Pain Management
Perhaps weeks: It depends on the half life of the drug in your body. How fast you personally metabolize and excrete the drug. It can show up months later in hair ... Read More
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A female asked:
Dr. Gurmukh Singh
48 years experience Pathology
About 2 days: Heroin and its metabolites can be detected in urine for about 2 days, five days outer limit, in urine. For good health - Have a diet rich in fresh veg ... Read More
A 59-year-old male asked:
Dr. Veena Govila
59 years experience Internal Medicine
Hydrocodone: Upto 3 days.Depends how much you used.
A 59-year-old member asked:
Dr. Michael Rock
36 years experience Pain Management
1-2 days: Hydrocodone will usually take 1 - 2 days to clear from a urine test. After 2 days, it will be negative more than 95% of the time. This includes the ... Read More
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A 55-year-old member asked:
Dr. Evan Altman
18 years experience Psychiatry
1-4 days: Most sources list the time for positive Cocaine in the urine from urine drug screen to be 1 to 4 days, with an average time of 3 days. Confirmatory te ... Read More
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A member asked:
Dr. Richard Tholen
40 years experience Plastic Surgery
As long as using.: Come on, don't try to "beat" a test. Someone is depending on you to be clean and sober. Stop now before you kill yourself or someone else, and think o ... Read More
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A 47-year-old member asked:
Dr. Aron Tendler
18 years experience Psychiatry
44 Days: In the most chronic user.
A 41-year-old member asked:
Dr. Ron Jones
Dr. Ron Jones answered
44 years experience Family Medicine
Do not need to know: You should not need to know that if you are taking the test and you should know that if you are giving the test.
A 37-year-old member asked:
Dr. Susan Uhrich
35 years experience Psychiatry
That depends: On how much you have smoked over how long. Count on a month.
A 32-year-old male asked:
Dr. Gurmukh Singh
48 years experience Pathology
About 3 days: Fentanyl would be detectable for three days or so after last encounter with the drug. For good health - Have a diet rich in fresh vegetables, fruits, ... Read More
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A 40-year-old male asked:
Dr. Robert Killian
27 years experience General Practice
Physicians ; UAs: I believe that most of us here on health tap support the concept of sobriety and recovery and not taking dangerous and unnecessary drugs or prescripti ... Read More
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A female asked:
Dr. Clarence Grim
56 years experience Endocrinology
Naloxone in urine: This will depend on the testing method used. I would ask the person ordering the test this question.
A 34-year-old female asked:
Dr. Robert Robinson
20 years experience Internal Medicine
For about a week: Naloxone has an active half life of about 2 hours, Metabolite excretion in urine takes much longer. The half life of naloxone metabolites is 24 hour ... Read More
A 48-year-old member asked:
Dr. Austina Cho
25 years experience Psychiatry
No: Codeine in prescription drugs may show up as a positive drug test for opiates not cocaine. Hopefully, the Codeine is being taken as recommended for pa ... Read More
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A 29-year-old female asked:
Dr. David Hettinger
35 years experience Podiatry
Depends: It really depends on the level of detail requested in the urine test. Normally a muscle relaxant wouldn't show up because it wouldn't be one ot the i ... Read More
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A 42-year-old female asked:
Dr. Robert Killian
27 years experience General Practice
Urine Drug Screening: At least up to sixty days. I recently had a man who was obese test positive for five months after he stopped using marijuana.
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A 53-year-old member asked:
Dr. Tapan Joshi
26 years experience Pain Management
Yes: Yes.
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A 52-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 33-year-old male asked:
Dr. Robert Killian
27 years experience General Practice
Hair Testing Drugs: Forever. The hair will forever be able to detect the drugs or alcohol one uses. Thus you have to cut your hair on a regular basis, especially before ... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

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