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How long can drugs be detected in the urine?

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We have a complete list in our "Detection Times" section, but a simple rule of thumb for most "street drugs" is about 2-3 days. It usually takes a few hours after drug use for drugs to be detected in the urine. Immediately after a weekend is a good time. Alcohol should be tested for as soon as possible. Marijuana can take five weeks, possibly even longer, to clear in a heavy user. THC is the only one of the drugs that is stored in the fat cells, so detection times are much, much longer than for other drugs. The chart that we use on our website says up to 5 weeks. Many factors determine how long a particular drug can be detected in a person, including that person's age, weight, sex, metabolic rate, overall health, amount of drug consumed over what period of time, etc. You have two choices with a marijuana test that continues to come up positive. more
amedicaltests.com
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We have a complete list in our "Detection Times" section, but a simple rule of thumb for most "street drugs" is about 2-3 days. It usually takes a few hours after drug use for drugs to be detected in the urine. Immediately after a weekend is a good time. Alcohol should be tested for as soon as possible. Marijuana can take five weeks, possibly even longer, to clear in a heavy user. THC is the only one of the drugs that is stored in the fat cells, so detection times are much, much longer than for other drugs. The chart that we use on our website says up to 5 weeks. Many factors determine how long a particular drug can be detected in a person, including that person's age, weight, sex, metabolic rate, overall health, amount of drug consumed over what period of time, etc. You have two choices with a marijuana test that continues to come up positive. If money isn't an issue, you can take your child to a lab for quantitative testing where they give you a "number", and you can check back to ... more
drugtestyourteen.com
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Simple rule of thumb for most "street drugs" is about 2-3 days. It usually takes a few hours after drug use for drugs to be detected in the urine. more
drug-testing-kits.com
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