THC is broken down in the liver. Drug tests look for these metabolites, which stay in your body longer than THC. Eventually, THC and its metabolites are excreted in urine and stool. A number of factors affect how long weed stays in your system.
Other factors are related to weed and how you use it. This includes how much you take dose and how often frequency. Higher doses and more frequent use tend to increase the amount of time it takes to eliminate weed from your system.
More potent weed, which is higher in THC, may also stay in your system for longer. Exercising, eating healthy, and staying hydrated may help, but not drastically.
There are a number of weed detox remedies and kits available on the internet. Many require drinking a lot of water to dilute your urine, and then using herbal supplements such as creatinine or vitamin B to mask the dilution.
Smoking or ingesting weed on a regular basis can have additional effects on your mind and body. You might be at an increased risk of developing:. Some effects, like memory problems or trouble sleeping, can last a few days. Long-term effects can last days, weeks, or months after weed use has ended. Some effects may be permanent.
Weed may stay in your system anywhere from several days to several months after last use. Detection windows depend on the drug test used and other factors, such as whether you smoke or ingest weed on a regular basis. Despite misconceptions, marijuana can be addictive.
Confirmation tests are done to be certain that the original test result is a true result. It is done to make sure the result was not caused by a medicine or other substance affecting the test. Urine tests can't show the exact day or hour that marijuana was last used. This is because THC can stay in your system even after you've stopped using marijuana. THC can linger on average up to 10 days for a casual user. It stays in your system for 2 to 4 weeks if you use marijuana often, and more than a month if you use it more often.
This test needs a urine sample. You may need to give the sample with a medical staff member or technician in the room. This test poses no known risks. But the results may affect your job or legal standing. Medicines used to treat nausea from chemotherapy, such as dronabinol, give positive test results. People who use marijuana regularly have reported positive drug test results after 45 days since last use, and people who use more heavily have reported positive tests up to 90 days after quitting.
Women often metabolize THC at a slightly slower rate since they tend to have higher levels of body fat than male counterparts. The faster your metabolism, which can be impacted by age, physical activity, and certain health conditions, the faster marijuana will exit your body. THC metabolites are often stored in the fat cells in your body, so the higher your body fat or BMI , the slower you'll likely be able to metabolize and excrete marijuana. When you're dehydrated, you'll have more concentrations of THC in the body.
Flooding yourself with water won't make you pass a drug test, however. Instead, it will dilute it and you'll likely need to retake the test. The method of use also impacts the detection time. If marijuana is smoked or vaped, the THC levels in the body will drop faster than if you ingest it. Edibles take longer to break down in the body and leave your system. Many employers have a workplace drug policy that includes random drug testing for current employees and routine testing for all new job applicants.
If you are required to take a urine test on short notice for employment or other purposes and you have recently smoked marijuana, you are probably going to fail the test. This is particularly true if your use is regular or heavy. You can be fired for failing a drug test even in states where the recreational use of marijuana has been legalized.
The only completely reliable way of passing the test is to stop smoking or ingesting marijuana or cannabis products. Although you will see many tips on how to beat a marijuana drug test, most have proven to be urban legends. Some of these questionable techniques include the following. This method entails drinking a lot of water or liquids and urinating several times before the test, then taking vitamin B to add color back to the urine.
Although this may lower the percentage of THC found in the urine by diluting it, it will not totally eliminate THC metabolites. Some people will also try to exercise before the test, but that can actually backfire, depending on the test, as it can release stored THC from fat into the blood, according to one study in the journal Drug and Alcohol Dependence. Some companies sell various substances and herbal teas that are allegedly capable of "cleaning" the body's system of traces of marijuana.
There is little evidence that any of them actually work. The catch is that most of them have to be used over an extended period of time, during which the body will naturally eliminate THC anyway. This involves adding something to the urine to contaminate the sample. There are tales of using Visine, bleach, salt, or detergent to the urine sample, but these items are easily detected by the lab.
All of them can be detected by the laboratory if a separate test is run for them. It is very difficult to physically overdose on marijuana because the lethal dose is so much higher than the effective dose. Very few marijuana overdoses have ever been reported. If someone you know has taken too much marijuana, and that is the only thing they have taken, an overdose is highly unlikely, but that doesn't mean that marijuana is not harmful.
Psychological distress is possible as is impairment of judgment, both of which can lead to hazardous behaviors that can harm yourself and someone else.
Although rare, people can experience THC toxicity when using marijuana in high doses, especially in the form of edibles. Symptoms can include:. If you or someone you love has a family history of mental illness, it is beneficial for you to consult your doctor before using marijuana.
The concept of "set and setting" is also important. Since people who have taken too much marijuana can experience sensory overload, minimizing overstimulating inputs in the environment can help them to relax. Some people are also more affected by marijuana than others. The manufacturer states that any positive test result should be confirmed by an alternative method. Only blood-sample measurements are likely to correlate with a person's degree of exposure 3 ; attempts to correlate urine concentration with impairment or time of dose are complicated by variations in individual metabolism, metabolite accumulation in the chronic user, and urine volume changes due to diet, exercise, and age.
Therefore, a positive result by the urine cannabinoid test indicates only the likelihood of prior use. Smoking a single marijuana cigarette produces THC metabolites that are detectable for several days with the cannabinoid assay 4. THC can accumulate in body fat, creating higher excretion concentrations and longer detectability.
If an affect on performance is the main reason for screening, the urine cannabinoid test result alone cannot indicate performance impairment or assess the degree of risk associated with the person's continuing to perform tasks.
If a history of marijuana use is the major reason for screening, the urine test for cannabinoids should be able to detect prior use for up to 2 weeks in the casual user and possibly longer in the chronic user. A chain of custody for the sample must be maintained by the testing laboratory, as well as during the steps that bring the sample to the laboratory.
All urine samples positive by the cannabinoid assay need to be confirmed by an alternate method that is as sensitive as the screening test, a condition not always met. Because of costs involved in more complex confirmatory procedures, confirmatory tests have not always been conducted to verify presumed positive test results.
Since the screening tests are immunologically based and measure both conjugated and free forms of THC metabolites, any confirmatory procedure should either measure both forms or should include a hydrolysis step to increase analytical sensitivity. Confirmatory techniques may be specific for a particular THC metabolite, while the screening kits react with virtually all THC metabolites, a further complication in confirming screening results.
SYVA markets two different cannabinoid assay kits with a twofold to fourfold difference in the amount of THC metabolite required to produce a positive test result. Regardless of which assay kit is used, test results should be interpreted by qualified personnel and positive results verified so that there is a very limited possibility of a false-positive result.
Editorial Note: Marijuana is the most widely used illicit drug in the United States; an estimated 50 million people have tried it at least once 8. A recent U.
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