How Long Does Marijuana Stay in Your Saliva?

How Long Does Marijuana Stay in Your Saliva?

salivaDrug tests are an unfortunate reality of many workplaces. However, you can consider yourself lucky if you’re a cannabis consumer who has been hired for a job that only tests for saliva (a swab test). Compared with a urine test, or an even more invasive hair test, marijuana leaves the saliva much quicker.

The presence of tetrahydrocannabinol (THC), a compound found in cannabis, is what most tests are searching more. If you’re a daily smoker, studies have shown that in most instances it should be completely out of the system after 72 hours of abstaining from using cannabis. In some instances, a daily smoker can pass a test in a shorter amount of time. In most all instances, though, 72 hours is enough time for the THC to leave the system.

However, in some rare cases it can take up to a week for cannabis to leave the saliva. It never, however, will take longer than a week.

Factors:

Below are some of the factors that will effect how long THC does stay in your saliva:

  • Potency: Unsurprisingly if you consume cannabis with a high percentage of THC, it’s likely to stay in your saliva longer.
  • Frequency of Use: Other than potency, this is the most important factor in determining how long THC stays in your saliva.. If you only smoke once a month or even once a week, you very well may pass a saliva test after 24-48 hours of abstaining. If you smoke daily, it will likely be out of your system after 48-72 hours.
  • Metabolism: If you have a “fast metabolism”, you’re body is likely to flush the THC from your saliva quicker.

By comparison, marijuana can be detected in the urine of a daily smoker for up to two months. When it comes to a hair follicle test, THC can be detected in some instances six months or longer after someone last use marijuana.

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27 Comments

  • Sarah
    October 25, 2016

    Wrong about the urine. If you drink enough water, weed can not be seen in a urine test for the next three days, or two weeks. Depending on how much you smoke. However, I had a friend who got tested for THC a day later my friend smoked it. It varies on how much you smoke.

  • Anonymous
    April 12, 2017

    Your wrong lady. And kind of an idiot.

  • Anonymous
    April 28, 2017

    And your kinda a dumb ass that aprantly dose not know anything

  • Anonymous
    April 28, 2017

    And your kinda a dumb ass that aparently dose not smoke that much

  • Dawn
    May 1, 2017

    I love it when people that can’t spell call other people dumb ass

  • Anonymous
    May 13, 2017

    Is this a reliable scource of information?

  • Marcos
    May 31, 2017

    All u guys are dumb all I’m worried about is getting my results tomorrow and for it to come out clean!

    • Nicole
      June 19, 2017

      How long did you not smoke? Results right there or did it get sent the lab? Did you pass?

  • Nicole
    June 19, 2017

    I abstained from smoking for 14 days. I had the swab It was sent to the lab. Should I still pass or should I be worried?

  • Dawn
    June 20, 2017

    14 days should be plenty of time. It’s odd that they sent it to a lab, however. The companies use the oral swab because they show results immediately and don’t need to be sent to the lab.

    • Nicole
      June 21, 2017

      I agree it was odd. I live in Louisiana and they use a lab in Missouri. Seems unusual.

      • Nicole
        June 21, 2017

        I will update when I get results. Its been a week still haven’t heard anything.

  • Dawn
    June 20, 2017

    14 days should be plenty of time. It’s odd that they sent it to a lab, however. The companies use the oral swab because they show results immediately and don’t need to be sent to the lab.

  • Dawn
    June 21, 2017

    Yea let us know how it turns out

    • Nicole
      June 28, 2017

      I guess I’m good! Got a call about orientation!

  • Dawn
    June 28, 2017

    That’s great news ☺ congratulations!

  • Dawn
    June 28, 2017

    Congratulations!

  • Robert
    August 4, 2017

    Hi I have been clean for about 62 days . I was a heavy smoker. I have a saliva swab test tomorrow . Do you think I will pass!??

  • Matthew
    August 11, 2017

    If i smoke today will i pass my saliva test on tuesday??

  • Anonymous
    September 11, 2017

    That is b.s my boyfriend stopped smoking for 12 days and still failed

    • Dana Torres
      July 27, 2018

      I agree with this i have stopped for 4 n 5 days and still failed doing every trick known to man to pass…..

  • Trudy zytko
    October 17, 2017

    I have to take a,swab test on Thursday on Oct 19 2017 i havnt smoked weed for three weeks am I good

  • Anonymous
    February 24, 2018

    I have not smoked weed in 5 years and have a swab test tomorrow!!! Do you think I will pass?? Please help meeee!!

  • Peraon
    June 7, 2018

    I smoked like 4 hrs ago is it possible to pass a mout swab

  • Peraon
    June 7, 2018

    I smoked like 4 hrs ago is it possible to pass a mout swab ??

  • Cavin
    June 25, 2018

    I smoked 2 days ago and have a swab tomorrow that will be lab tested I’ve been brushing 3 to 4 times a day and swishing peroxide and Listerine afterwards will I be ok or will I fail the mouth swab

  • Anonymous
    September 30, 2018

    I must of got lucky, cause I smoked one time before a saliva test..i didnt know beforehand I was gonna be taking a saliva test, or i would of been like everyone else..extra prepared. I had assumed the test was gonna be a urine test. All I did when i found it was gonna be a saliva test was chew gum and swish water. This was all in a 1 hour time period. I was clearly nervous beforehand. The end result was a PASS.

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