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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can Marijuana Be Detected In The Blood Three Months After Smoking It?

I smoked weed multiple times about 3-4 months ago. Before that I was never a frequent user. Since I have exercised plenty, (a lot of sweat) drank a lot of water and obviously went to the bathroom frequently. I have a drug test for the military in a couple days and I just wanted to make sure it wouldn t show up. Will it? Do cigarettes show? Am I safe?
Tue, 21 Apr 2015
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Psychiatrist,  's  Response
Hello thanks for asking from HCM

I can understand your concern. Marijuana is Cannabis and the drug is a controlled substance. The drug screen is commonly employed in pre-employment tests. In usual cases urine tests are done to find out evidence of drug use. Urine tests remain positive for about a week. Blood tests come positive for about 2-3 weeks. But if we consider nail tests of drug screen then that can shoe positive results even after 2 months of use. You have exercised a lot and are healthy with good metabolism so I don't think you would come positive in drug screening tests. Still some risk is there if they use nail or hair tests, which are not commonly used.

Thanks, Hope this helps you
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Can Marijuana Be Detected In The Blood Three Months After Smoking It?

Hello thanks for asking from HCM I can understand your concern. Marijuana is Cannabis and the drug is a controlled substance. The drug screen is commonly employed in pre-employment tests. In usual cases urine tests are done to find out evidence of drug use. Urine tests remain positive for about a week. Blood tests come positive for about 2-3 weeks. But if we consider nail tests of drug screen then that can shoe positive results even after 2 months of use. You have exercised a lot and are healthy with good metabolism so I don t think you would come positive in drug screening tests. Still some risk is there if they use nail or hair tests, which are not commonly used. Thanks, Hope this helps you