A 36-year-old member asked:
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how long will smoking weed stay in my system ?

3 doctor answers
Dr. Douglas Arenberg
30 years experience Pulmonary Critical Care
Long enough: Long enough to be detected by a drug screen.
Answered on Mar 28, 2012
Dr. Jeffrey Roth
42 years experience Addiction Medicine
Days to weeks: Thc, the active component of weed, is fat soluble, which means that it finds its way into fat tissue and is released gradually over time. Intoxication depends on the blood level of thc, so the high is unlikely to last more than hours at a time, but the thc is excreted from the body over a much longer period of time.
Answered on Oct 23, 2013
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2 thanks
Dr. Pamela Pappas
41 years experience Psychiatry
It depends: Depending on how frequently you use marijuana, it can be detected in urine for 5 to 90 days. It's stored in fat, and will stay there even if you're of normal weight. It will remain in your hair follicles for about 90 days also.
Answered on Nov 27, 2017

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Dr. Alan Wartenberg
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4 thanks
A 23-year-old male asked:
Dr. Klaus d Lessnau
35 years experience Pulmonary Critical Care
One month: Usually one month if done by urine or blood testing which are the most common ones. With hair sample it may be many months.
A 26-year-old female asked:
Dr. Anthony Fritz
32 years experience Internal Medicine
30 - 45 days: Marijuana should almost surely be out of your system when tested after 45 days of abstinence.
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1 thank

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