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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 Detox From Cannabis?

I have not used marijuana in over 15 years. I recently took a trip to CA and when in Rome...I visited a dispensary and purchased some tinctures (cannibis mixed with olive oil and sesame oil) and have been using it by mouth for the past two weeks. How long will it take to leave my system? Last use was 2 days ago.
Mon, 18 Jun 2018
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Addiction Medicine Specialist 's  Response
Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.

Apparently one can want to seek it out 15 years after the last use!
The effect of it lasts only as long as it is in the system at a high amount (hours at most). There aren't marijuana flash backs.
I suspect what you mean is how long is it detectable in the urine. Surprisingly briefly. Unless one is a long term heavy daily user, there is NOT much of a build up in fat and deep tissues and it is detectable only for 4 to 7 days.

Hope I have answered your query. Let me know if I can assist you further.
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Addiction Medicine Specialist Dr. Dr. Matt Wachsman's  Response
Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.

This is hard to say because it falls in the middle. And, I've just found a drug that likely doubles the rate at which it leaves your body that you may or may not be on. So, with light use, it stays in your system 5 to 7 days by the usual urine detection method. Faster with blood; much much longer with hair for the time it is detectable. With heavy use, the marijuana breakdown products stick into the fat and come out unpredictably for up to a few months.

Hope I have answered your query. Let me know if I can assist you further.
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How Long Does It Take To Detox From Cannabis?

Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. Apparently one can want to seek it out 15 years after the last use! The effect of it lasts only as long as it is in the system at a high amount (hours at most). There aren t marijuana flash backs. I suspect what you mean is how long is it detectable in the urine. Surprisingly briefly. Unless one is a long term heavy daily user, there is NOT much of a build up in fat and deep tissues and it is detectable only for 4 to 7 days. Hope I have answered your query. Let me know if I can assist you further.