Doctor insights on:
How Long Does Marijuana Stay In Your System Swab Test
Weeks to months: Thc is stored in body fat and slowly metabolized, so it builds up in the body with increased use. I'm not familiar with mouth swab testing, however for urine drug testing results depend on how much and how frequently a patient has used thc. A test will usually remain positive for 1 week after one-time or rare light use, 1 month after heavy use, or several months for habitual, heavy use. ...Read more
How long does marijuana stay in your system when a blood test is done for detection? I used to smoke but quit a week ago. Now I find out I have a test
Depends..: In Blood, active THC can show up for 24-48hrs at most, but inactive THC-COOH can show up for several days in blood if person was a heavy daily user. Here is a good resource: http://www.canorml.org/healthfacts/drugtestguide/drugtestdetection.html#blood ...Read moreSee 2 more doctor answers
How long does marijuana stay in your system once smoked? How do you determine how long weed will stay in your system when doing a drug test or a hair folicle test I am 5'4, weighing 335 lbs hoping that helps..
Depends: On how much and how often you smoke or ingest it. If its a one-time use in modest amounts, it will only remain 2-4 days if the test used has the usual sensitivities. However, in people who smoke regularly, and in particular more heavily, thc is soluble in body fat stores and can remain there for many weeks, and sometimes even months. Hair follicle tests will show any pot use in that hair. ...Read moreSee 1 more doctor answer
How long does marijuana stay in your system? I started smokin again 2wks ago but just this past wk i havent. I have a pee test the 22nd. What can flus
It. Depends: A single use can stay in the system for one to six days , repeated use may stay one month in u system. ...Read more
I have a upcoming drug test, how long does marijuana (thc) stay in your hair follicles? An is there anything to take it out of your system?
How long will second hand marijuana smoke stay in my system? I am very active and it has been 2 days and i got a test today
It depends: How long marijuana is detected in the urine depends strongly on frequency of use. In regular users (more than once a week), the marijuana metabolite builds up to a high level, often on the order of hundreds of nanograms per milliliter (ng/ml), from which it may take weeks to decline back below the threshold of detection. The situation is different for occasional users (no more than once a week). ...Read more
I would like to test my son for marijuana use with a mouth swab test. How long do I have to test him after his last use?
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