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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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How Long Does Marijuana Stay In The System?

I last smoked weed 13 hours before my mouth swab drug test. I brushed my teeth multiple times and swished about half a bottle of mouth wash all the way up until the minute I walked in to test. I placed the swabbed between my teeth and tried my best not to let a lot of saliva get on to it. Do you think I passed?
Wed, 11 Oct 2017
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Dentist,  's  Response
Hi,

Understanding your concern. As per your query you had marijuana 13 hours ago before mouth swab drug test. Marijuana metabolites stored in fat tissue so those users who are overweight will probably take longer to clear the drug and detection of marijuana depends on drug potency, tolerance, fluid intake at time of test, method and frequency of marijuana use and body metabolism.

For being detectable in a drug test, well this depends on the type of drug test. There are chances of detection as it is hardly 13 hours. Urine test will detect up to a month prior but a blood test will show positive you had marijuana in the last 6 months. Marijuana usually detected in urine up to 48 to 72 hours.

Hope your concern has been resolved.

Best Wishes,
Dr. Harry Maheshwari
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How Long Does Marijuana Stay In The System?

Hi, Understanding your concern. As per your query you had marijuana 13 hours ago before mouth swab drug test. Marijuana metabolites stored in fat tissue so those users who are overweight will probably take longer to clear the drug and detection of marijuana depends on drug potency, tolerance, fluid intake at time of test, method and frequency of marijuana use and body metabolism. For being detectable in a drug test, well this depends on the type of drug test. There are chances of detection as it is hardly 13 hours. Urine test will detect up to a month prior but a blood test will show positive you had marijuana in the last 6 months. Marijuana usually detected in urine up to 48 to 72 hours. Hope your concern has been resolved. Best Wishes, Dr. Harry Maheshwari