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Marijuana will show up within a few minutes of using it.

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15y ago
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14y ago

It takes about 6 or 8 hours after use for the drug to be metabolized sufficiently for detection in urine.

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13y ago

One day or less.

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15y ago

30 days

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11y ago

a month

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Q: How long can marijuana be detected by a drug test?
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Related questions

How long does marijuana still be detected by a drug test?

2 years....


How long can marijuana be detected with a oral drug test?

two weeks it depens


Can eating marijuana be detected in drug test?

Yes.


what types of drugs will show up on a drug test?

The most common drugs which can be detected on a drug test are; marijuana, cocaine, PCP, amphetamines and opiates.


How long does it take for drugs to be un detected on a drug test?

Depends on the drug and the type of test.


Does marijuana ever come out of your hair?

if you're talking about a hair strand drug test, my understanding is that marijuana can be detected in the strands of your hair for about a year.


How long can marijuana be detected in a urine test?

Usually Seven to ten days.


How long can marijuana be detected in a blood test?

Up to 30 days


How long can knock out spice be detected in drug screening process?

It cannot be detected in any drug screening. :) There is no test that can detect it.


Can marijuana be detected by a swab drug test?

Sure. THC the main ingredient in MJ can be detected in any kind of test - hair, saliva, urine, blood. This is the most recognizable drug and it's stays longer than any other drug in your system.


How long is marijuana detected before taking saliva test?

It is only detectable in this form for 14 hours after taking the drug - 24 maximum.


Can Synthtic marujana be detected in a drug test?

Pretty much anything can be detected in a drug test.