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clonazepam and urine test for benzos

Discussion in 'Drug testing discussion' started by dragon6102, Mar 25, 2010.

  1. dragon6102

    dragon6102 Newbie

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    Will clonazepam show up as positive for benzos on a urine screen? SWIM heard that this drug (klonopin) would not show up so took one and has a urine about 9 days later. Will it show up positive?
     
  2. fehs

    fehs Silver Member

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    While SWIM can't give a straight answer to SWIY's question, since he thinks there are many affecting factors, he can tell this:

    SWIM was in a detox/rehab last year, and before taking his first urine test he was surprised when the employee told him that the "quick-test" urine screens have a tendency to not show clonazepam as a benzo (or as anything else for that matter), at least if the amounts taken are not monstrous. SWIM then saw this himself, at the time of the first test he was taking 4 mg/day and the test showed nothing. About four weeks later SWIM took another test, at this time taking 3 mg/day, and still negative.
     
  3. Jasim

    Jasim Gold Member

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    Yes. Clonazepam will show up on an immunoassay screen. Most places will also do GC/MS confirmation for clonazepam. When I worked in a drug testing laboratory our protocol was updated to include clonazepam in the standard confirmation. Our screen already would pick it up.
     
  4. missparkles

    missparkles Platinum Member & Advisor Donating Member

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    Look, the only way to get past a drug test is to not do the drug (being tested for) in the first place. I know this may seem harsh, but it's the only 100% positive way I know. If it's for job or probation purposes, why lose something you need, like your living or your liberty?
    Sparkles.:vibes:
     
  5. kailey_elise

    kailey_elise Gold Member

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    No one can answer this exactly for anyone. While I've heard some 'old junkie tales' about clonazepam and diazepam in low levels not showing up in quickie urine tests, I've also heard of people getting caught out because they believed those 'old junkie tales'.

    Plus, if the people testing suspect that one has a problem with benzos, there's a good chance they'll order a more sensitive test, or send it to be GC/MS-checked.

    A good rule of thumb is, the longer the half life of the medication, the longer it takes to clear. Clonazepam has a long-ish half-life; if someone didn't have their own prescription for this medication, I would suggest they not take it for at least 2 weeks prior to being tested. Actually, I would suggest they not take it at all, but whatever.

    My roommate Girlie took Librium (another benzo with a long half-life) legitimately in the hospital for 3 days in a row. She was looking to start Suboxone treatment when she left the hospital but needed to be clear of benzodiazipines before she could start. It took more than 2 weeks (but less than 3) for her system to show clear. She took no other benzos, or anything that could remotely show up as benzos in her system - just low doses of Librium for 3 days in a row.

    Benzos are a huge crapshoot. And if one takes them on any kind of regular basis, it can take even longer to clear the system.

    Take what you want from that information. :)

    ~Kailey
     
  6. missparkles

    missparkles Platinum Member & Advisor Donating Member

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    Apologies, I wasn't being flippant, but everyone's metabolism is different. As is every benzo. If anyone wants to enhance their mind maybe they should think of switching to something that's not gonna affect their test?
    If you need to take benzo's for any medical reason, tell the people conducting the testing, and it will be taken into consideration.

    But don't get yourself into trouble for a drug, it's just not worth the long term implications is it?

    Sparkles.:vibes:
     
  7. Jasim

    Jasim Gold Member

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    Good point Sparkles, there are TONS of drugs out there that aren't tested for at all.
     
  8. dragon6102

    dragon6102 Newbie

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    This test isn't for clonazepam, it is only for benzos. Please reply
     
  9. missparkles

    missparkles Platinum Member & Advisor Donating Member

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    No one can definitively say. However, Sparkles spoke to her pharmacist about this, and he says if only one pill was taken, and the user hadn't been taking clonazepam regularly beforehand, it may be undetectable. But he also said this depends on the sensitivity of the test. Further than that no one can say.

    Now that SWIY has this info, Sparkles would suggest that if she has to undergo regular urine screening, that she avoids benzo use for at least 2 weeks beforehand. Hope SWIY gets the result they need?

    Sparkles.:vibes:
     
  10. Pieces Mended

    Pieces Mended Silver Member

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    Who told you the test was for benzos? If it was just listed as one of the things possibly being tested for (along with opiates and amphetamines, like most job apps) you might be ok. If they are testing specifically for benzos, I can bet they found a way to test for one of the four most common in the US.
     
  11. dragon6102

    dragon6102 Newbie

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    The test is a standard ELISA for benzos. If positive, it will have GC/MS confirmation. SWIM has taken one klonopin before and passed this test one week later, but is very nervous. SWIM really thought it wouldn't show up, and was told this by several people, but now is completely freaking out. Thank you for all your help.
     
  12. missparkles

    missparkles Platinum Member & Advisor Donating Member

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    According to a site called Toxlab, benzo's can be detected in urine for up to 3 days, but again, this depends on the sensitivity of the test used, how long the person has been using benzo's, and the dose taken. They do stipulate that these are only "approximate" detection times.

    Sparkles.:vibes:
     
  13. Pieces Mended

    Pieces Mended Silver Member

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    Sparkles,

    I think that must be an average. The metabolites in Valium have a half-life of 100 hours. If you were a semi-regular user, I can only imagine you'd be nailed on the test no matter what you did. But, most abusers take Xanax or Ativan, which make 3 days seem reasonable...
     
  14. dragon6102

    dragon6102 Newbie

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    Valium will indeed show up as positive for two to three weeks after last use, SWIM can say this from experience. Not so sure about clonazepam, that is why I was asking.
     
  15. Pieces Mended

    Pieces Mended Silver Member

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    Well, the half-life of clonazepam is 18-50 hours, with diazepam at 20-100. To compare, Alprazolam is 6-12. So.... I could guess (from that little info) that clonazepam is not one of the drugs you'd want to hope has washed out of your system. But someone may know more than me.
     
  16. dragon6102

    dragon6102 Newbie

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    I found the following link on the internet.... it seems the metabolite for clonazepam is all that can be detected, so would this metabolite then be what triggers the positive benzo screen on initial testing?

    http://www.springerlink.com/content/tgtnlvu7ff76m75l/
     
  17. Jasim

    Jasim Gold Member

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    Read carefully:
    "A highly sensitive NCI–GC–MS method for the simultaneous quantitation of CLO and its major metabolite 7-ACLO in urine was developed and validated."

    I've already stated this in this very thread. Clonazepam can be detected by immunoassay screens. It will trigger a positive for benzodiazepines on an immunoassay screen. It can also be quantified by GC/MS. The same goes for it's metabolite, 7-aminoclonazepam. I've seen and worked with the machines that do these tests. I've seen the chromatograms. I've written the drug detection reports stating that some specific quantity of the drug was found.
     
  18. dragon6102

    dragon6102 Newbie

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    SWIM passed a home test for benzos less than one week after use of clonazepam, so personally found that it was not detectable on a routine benzo screen, fyi, for future reference.
     
  19. Jasim

    Jasim Gold Member

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    The detection time for clonazepam is 3-8 days. The longer time probably being for heavy, chronic use. So it makes sense that the screen was negative after a week.
     
  20. kevsatim

    kevsatim Silver Member

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    if its any use swim took about 80mg of valium over the course of the weekend and swim doesnt usually take it was a one off

    and swim tested positive for benzos for exactly 3 weeks before he passed his home drug urine test kits

    also swims friend regularley takes clonazapam evry day and he got a clean test and passed his home drug test after 6 days

    valium or diazapam is definetly the worst benzo to take due to its long half life and takes forever to leave ur system

    swim understands no matter wat benzo u take it can and will show up on standard urine tests

    kevsatim added 3 Minutes and 37 Seconds later...

    also swim took some Alprazolam for a few days and had a clean test after 3 days
    so that should be the benzo of choice for anyone that has to do regular urine tests lol well in swims opinion

    kevsatim added 6 Minutes and 55 Seconds later...

    u will be fine you will pass with flyin colours especially if u only took 1 klonopin

    swims friend loves it and takes klonopin very often but stops 3 days before his urine test and has never had a problem just stay clear of valium if u have up comin test as takin 10mg will be detectable for about 15 days in swims experiance

    hope this helps
     
    Last edited: Apr 5, 2010