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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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How Long Does It Take To Flush Marijuana From My System?

I last smoked marijuana 21 days ago. Before that I was a heavy smoker, several times a day, but had cut down in the couple of weeks before I quit. I weigh about 155 and I am 5 5 . I took a home test a few days ago and failed. I m just wondering how long it should take to pass a urine test. I have done no detox.
Fri, 26 Dec 2014
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Addiction Medicine Specialist,  's  Response
Hi,

Since you were a heavy cannabis smoker till a few weeks before quitting, you are likely to test positive for longer than people who use cannabis rarely. In your case, it is likely to take more than a month after last use. Some people continue to test positive even up to three months after last use.

Best wishes.
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How Long Does It Take To Flush Marijuana From My System?

Hi, Since you were a heavy cannabis smoker till a few weeks before quitting, you are likely to test positive for longer than people who use cannabis rarely. In your case, it is likely to take more than a month after last use. Some people continue to test positive even up to three months after last use. Best wishes.