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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does Smoking 40 Days Before Appear In Urine Test?

I have a urine test coming up soon, I ll have been absent for just over 40 days when I take it, would have been closer to 50 days, but smoked about a 1/2 gram after being absent for a week, prior to that I smoked about a gram a day, the cut off for the test is 50 ng/ml, I m 6 3 200lbs, how likely am I to pass this upcoming test?
posted on Wed, 9 Jul 2014
Twitter Sun, 9 Aug 2015 Answered on
Twitter Mon, 10 Aug 2015 Last reviewed on
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Internal Medicine Specialist,  's  Response
I assume you are talking about methamphetamine. If so, it takes about 72 hours to be low enough in the system not to be detected in the urine. It sounds like your habit is quite large and it is great you have not used methamphetamine for 40 days. Most likely it will not show in your urine drug screen. The above assumes your kidneys are functioning normally. Some people drink non-sweetened cranberry juice to acidify the urine and enhance excretion of methamphetamine.

You can also buy urine test kits at your local pharmacy and check your own urine.

I hope this helps and if you are finding it a problem to continue staying away from methamphetamine consider seeing an addiciton specialist and going to a 12 step program such as Crystal Meth Anonymous.
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Does Smoking 40 Days Before Appear In Urine Test?

I assume you are talking about methamphetamine. If so, it takes about 72 hours to be low enough in the system not to be detected in the urine. It sounds like your habit is quite large and it is great you have not used methamphetamine for 40 days. Most likely it will not show in your urine drug screen. The above assumes your kidneys are functioning normally. Some people drink non-sweetened cranberry juice to acidify the urine and enhance excretion of methamphetamine. You can also buy urine test kits at your local pharmacy and check your own urine. I hope this helps and if you are finding it a problem to continue staying away from methamphetamine consider seeing an addiciton specialist and going to a 12 step program such as Crystal Meth Anonymous.