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I think you may have meant to ask how long before they no longer test positive. Because a chronic smoker will test positive within a short period of time. A chronic smoker should give it a week and a half to two weeks of abstaining before a urine test shows negative. Up those vitamins, and ginseng and drink ALOT of water I mean 10 - 12 glasses a day and don't take caplet vitamins take liquid or gel caps. The hard vitamins usually just pass through your system they are a complete waste most of the time.

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Q: How long can after smoking marijuana can it be detected in urine?
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Related questions

After smoking marijuana how long does it take to show in your urine?

it will stay in ur system for around 6 weeks depending on the body.. and of course drinking alot of water and cranberry juice will help minimize the length of it in ur system... but it usually takes 4-6 weeks for it to leave ur body


How long can marijuana be detected in new growth after you quit smoking?

I do believe after one month of smoking marijuana it will clear out of your system but I also believe it depends on how long you were smoking tge marijuana for.


How long can marijuana be detected in a urine test?

Usually Seven to ten days.


How long does the drug ice by smoking stay in your system and can it be detected by a urine sample.?

72 hours


How long do marijuana THC stay in your urine if you smoke 3 to 4 times a day?

This will depend on when you stop smoking the marijuana. If you continue to smoke every single day, the THC will remain in your urine until you stop smoking.


How long does smoking a very small amt of marijuana stay in your urine if tested?

for 5 days


How long can levomethamphetamine be detected in urine?

how long can levomethamphetamine be detected in urine?


How long marijuana in urine if you have stopped?

Depending on when you stopped and frequency of the smoking either 2 to 10 days.


How long after smoking marijuana could I take a urine test?

Right away. But the THC would be detected. Not a good idea. 30-45 day's to get out of your system but i don't think anymore than that. It might be less but I don't think more...


You quit using 2 weeks ago can it be detected in urine?

Marijuana is a fat soluble, and can store in the fat cells of the body. THC in Marijuana can be detected for up to 10 days if smoked occasionally, as long as 45 days if smoked regular.


How long can urine be detected in a urinaiysis?

Urine can always be detected otherwise there would be no analysis.


How long can lorazepam be detected in urine?

In a typical individual, lorazepam can be detected in the urine 1 to 2 days after ingesting it. For lorazepam addicts, its can be detected in the urine longer.