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Doctor insights on: How Long Does Cocaine Stay In Urine Drug Test

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How long does cocaine stay in your urine and turn drug test positive?

How long does cocaine stay in your urine and turn drug test positive?

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 testing for Cocaine rarely reveals a false positive screening. ...Read more

Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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How long does cocaine stay in the urine for? I had some saturday night midnight and then got called in today at work for a random drug test.

How long does cocaine stay in the urine for? I had some saturday night midnight and then got called in today at work for a random drug test.

The detection level: Varies from lab to lab. Cocaine has a fairly short half life. Another factor would be the dose you took. If they want to look for cocaine they could obtain an assay from your hair. ...Read more

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I tried cocaine for the first & last time. I did 3 lines of it. I wanted to know how long that would show up in a urine drug test?

I tried cocaine for the first & last time. I did 3 lines of it. I wanted to know how long that would show up in a urine drug test?

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 (5-8 hours) & can generally be detected for 24-80 hours after Cocaine use or exposure. Tests screen for both Cocaine & its metabolite. ...Read more

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How long will cocaine show up ina urine drug test for not a regular consumer?

How long will cocaine show up ina urine drug test for not a regular consumer?

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, frequency of use, metabolism, etc. ...Read more

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I used cocaine 2 weeks ago. Will I test positive in a urine drug test?

cocaine: Cocaine can show up for upto 1 week and sometimes for unto 2 weeks. ...Read more

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I did cocaine weekend and monday and did a urine drug test friday at 4 pm, do you think it would be positive?

I did cocaine weekend and monday and did a urine drug test friday at 4 pm, do you think it would be positive?

Depends on test: Different urine drug screens have different levels of sensitivity. If it does not show up, consider this a wake up call that it is time to get treatment before you have medical or legal problems from drug use. ...Read more

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Will stopping cocaine and alcohol for 18 day give me a clean urine drug test.

Will stopping cocaine and alcohol for 18 day give me a clean urine drug test.

Likely: Alcohol most likely yes, Cocaine tends to hang around in the system for a week easily, but could be longer depending on other factors. ...Read more

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Is there any way a urine drug test can test positive for benzoylecgonine and it not be cocaine?

Lab error: Sadly, these tests are not perfect. A good honest pathologist and a good lawyer may be what you need. ...Read more

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I am a female and I did one line of cocaine around 4pm and I could have a drug test in the morning do u think I will pass a urine test?

I am a female and I did one line of cocaine around 4pm and I could have a drug test in the morning do u think I will pass a urine test?

Unlikely: Your urine will have metabolite of cocaine. Unless the cut-off is set too high your will test positive.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex. ...Read more

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I did one line of cocaine on Sunday 12/18 morning at about 1:30 am. I was drinking it was & have never done it before. I have a urine drug test Tuesday at 7 am. It would be about 53 hrs since I did the line. Is it likely I will pass? I am 5'9/170lbs

Likely: Cocaine has a short half life and you are likely to pass the test.
Please note that alcohol and cocaine is a dangerous combination and can kill due to heart arrhythmia.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex. ...Read more

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Is 106 hours enough to pass a urine drug test for cocaine?

Is 106 hours enough to pass a urine drug test for cocaine?

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. This is where Cocaine use gets really expensive. Can you afford it now? Why play russian roulette with your future. See a psychiatrist who specializes in substance abuse. New study shows topiramate works quite well in cutting down cravings and use. ...Read more

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Do focalin (dexmethylphenidate) and cocaine trigger the same positive urine drug test?

Unlikely: There are screening tests and there are definitive tests. The screening tests can have false positives and false negatives, but the definitive tests are about 99% accurate. Especially with cocaine, it is very unlikely to have a false positive, Focalin (dexmethylphenidate) is a form of methylphenidate (ritalin) and is more closely related to amphetamine than cocaine. ...Read more

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Can diabetes give a false positive for cocaine in a urine drug test or would it cancel the test?

Myths: No. Not in any way would having diabetes cause a false positive or negative on a drug screening process for cocaine. ...Read more

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Got a drug test coming up april 11 did cocaine on march 28 drank couple beers think I will pass a urine test?

Hope so: Cocaine and its metabolites leave the system in a few days. You did your experimenting, you are safe now, and I hope you will not try this again; at any time, Cocaine may suddenly change your nervous system so you cannot be happy without it. Trust me -- this happens and happens often. Best wishes & I admire your courage. ...Read more

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If I use fake urine for a drug test. And actually got a bit of cocaine in the urine sample, will it test negative in lab since there are no metaboli?

If I use fake urine for a drug test. And actually got a bit of cocaine in the urine sample, will it test negative in lab since there are no metaboli?

What a mess: I don't know if anyone can answer you w/ certainty. I'm usually opposed to drug testing (when it's to help you in rehab or part of probation/parole, it's good or okay) but you're doing some messy things and few get away w/ that way of living for long.
Many would say you're unconsciously making a cry for help by messing up so badly. Are you? ...Read more

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Would azithromycin give a false positive for cocaine on a urine drug test?

Not a problem: Generally members of the penicillin family of antibiotics and especially Amoxicillin may falsely produce a urine drug test positive for cocaine. Azithromycin is in a different antibiotic structural class and is not known to produce this false positive result. ...Read more

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Type 1 diabetic. Refent chest cold over counter meds used. Failed urine drug test for cocaine. Didn't touch it. Prob. Violation. What could cause this?

Cold Meds Not Cause: Cold medications would not cause a positive urine drug test. Do you use medicinal marijuana? If yes, is it from a dispensary or from "the street"? If it's from the street then it may be contaminated by cocaine. Otherwise exposure to cocaine would be the only other reason. ...Read more

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How long can lorazopam be detected in urine drug test?

How long can lorazopam be detected in urine drug test?

Drug test: About a week, but it can vary. If you think your child is using drugs, you can buy tests at the pharmacy, to check. ...Read more

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How long will alcohol stay in your urine for drug test?

How long will alcohol stay in your urine for drug test?

80 hrs EtG: Some urine testing can detect a breakdown product of ethanol (the form of alcohol in beverages) called ethyl glucuronide (etg), which can remain detectable for up to 80 hours according to most sources. ...Read more

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How long does alcohol stay in your urine for a drug test?

How long does alcohol stay in your urine for a drug test?

Upto 80 Hours: Upto 80 hours, though your liver function and water intake may affect it in different ways. If you have an addiction problem, please seek help for same asap rather than worrying about how to get a clean drug test. Life is too short to live it in the haze of addiction. ...Read more

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I took a SAP 5 urine drug test. Will nicotine show up on the test? How long will it take to receive the results?

I took a SAP 5 urine drug test. Will nicotine show up on the test? How long will it take to receive the results?

No: Nicotine isn't tested for on the five panel test, but are you concerned about nicotine? I take it, you have a DOT safety sensitive job. You might not be allowed to smoke at work, but you didn't violate for nicotine. You violated for another substance, if you have already been referred to a SAP-Substance Abuse Professional. The test shouldn't take long before you will have the results. ...Read more

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How long is urine good for a drug test. And how do they test it?

Drug test: Once a specimen is collected and placed in a container there is no time limit. It can be done with a rapid read cup that can be read in 5 min but these have occasional false positives and negatives. It can be further tested with gas or liquid chromatography and mass spectrometry which are mush better and are nearly never wrong ...Read more

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How long after smoking weed can you pass a urine drug test?

How long after smoking weed can you pass a urine drug test?

Days to weeks: Thc stays in the fat tissue of the body for a long time, and may cause a positive urine test for days to weeks after the last use. ...Read more

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How long will temazepam stay in your system for a urine drug test?

How long will temazepam stay in your system for a urine drug test?

Varies: Figure 5 days minimum up to 1 week for your urine to be clear, depending on age, weight and metabolism. ...Read more

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How long does naloxone stay in your urine? For it not to show up in a drug test

How long does naloxone stay in your urine? For it not to show up in a drug test

Naloxone in urine: This will depend on the testing method used. I would ask the person ordering the test this question. ...Read more

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How long after smoking will nicotine stay in your body and show up on a urine drug test?

How long after smoking will nicotine stay in your body and show up on a urine drug test?

Not In Drug Screen: Nicotine is not typically screened for in urine drug tests. Usually, you will see such things as narcotics, barbiturates, benzodiazepines, illegal substances but not nicotine. If being tested specifically for nicotine is a special test where it can be detected up to 4 days. ...Read more

Dr. Alan Wartenberg
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Drug Testing (Definition)

It is the process of examining body fluids or tissue for evidence of chemicals taken or not taken. It does not diagnose addiction however this a ...Read more