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How Long Does Weed Stay in Your System

To answer the question directly, there is no specific formulation for exactly determining how long weed stay in the system of a human body. This cannot be determined with a drug test or any other test for that matter. However, there are a number of factors that may alter the number of days in which weed will surface in a random drug test.

At this point, it is not really a secret that weed is a commonly used commodity. This is true despite the fact that it is considered illegal in several parts of the world. This is quite ironic, given the fact that even though it is often misused, it has not really resulted in an epidemic involving death overdose in the same way that other drugs have. This is also the very reason why drug tests are conducted among those who are suspected to use weed or those with a past history of use.

In order to have an idea as to how long does weed stay in your system, it is best to start first with understanding what weed is, how it is consumed, how it is often abused, and how it ultimately affects the body in association with drug THC testing.

What is Weed

Weed, otherwise known as cannabis, or marijuana, is defined as a psychoactive drug that comes from the cannabis plant. It is often used for recreational or medical purposes. The primary psychoactive part of weed is tetrahydrocannabinol (THC), which is just one out of the 483 recognized compounds found in the plant, with about 65 other recognized cannabinoids. Weed may be consumed by vaporizing, smoking, infusing, or even as an extract.

Weed also offers a number of physical and mental effects, including a “stoned” or “high” feeling. Among other effects include a heightened mood, general improvement in perception, as well as an increase in appetite. The effects are felt within minutes when smoked, and around half an hour to an hour when eaten or cooked. These effects are usually felt between 2 to 6 hours.

On the other hand, short term effects may also include dry mouth, a decrease in short-term memory, impaired motor skills, feelings of paranoia, red eyes, or anxiety. Some may also expect some long-term side effects, which include a decrease in mental ability, addiction, as well as other behavioral problems. However, when consumed in moderation, you can expect the best out of weed.

How is Weed Prepared

When ingesting weed, there are a number of methods that are often used. This is very important because, at times, the way in which weed is prepared may have an impact as to how long it stays in your system. The most common ways of consuming weed are by hand-rolling cigarettes, otherwise known as joints, as well as smoking.

These days, however, people use vaporizers, as they may not want to inhale weed smoke. Also, sometimes are prepared and infused into edibles, such as cookies or brownies. Blasting dabs or dabbing, which usually involves the use of marijuana that is concentrated and packed with THC, is also a recognized method of achieving the high off weed.

How Does Weed Affect the Body

Smoking marijuana allows for weed to pass quickly from the lungs, right into the bloodstream. Once weed enters the bloodstream, the blood then carries the compounds and chemicals from the weed right to the brain, as well as with other organs in the body.

Eating marijuana in the form of edibles may take it slower for the body to absorb the chemicals. It usually takes up to an hour to do so. When consumed this way, marijuana affects the brain. This happens when the parts of the brain are over-activated. These parts usually contain receptors, thus resulting in a high.

Together with this “high” feeling, other common side effects often include changes in mood, senses, impaired movement, difficulty in problem-solving and impaired decision making. This is the very reason why a lot of people fail in drug tests, because of the presence of THC in weed.

Weed may stay in the system for up to 120 days, or even more, highly depending on the amount of marijuana that you smoke, the THC levels found in that particular marijuana strain, as well as the tolerance of the person smoking weed.

How Long Does Weed Stay in Your System

Weed itself does not really linger in your body for longer periods of time. This is the reason why hemp, as well as other weed-based products, are considered safe for use. This means that weed itself will not cause failure during a drug test for weed. Instead, it is the chemicals present in marijuana that causes everything. The primary chemical in marijuana, THC, is often the culprit in creating a high. THC also remains in the system longer.

Whenever you take in weed, either by drinking, eating or smoking, the active compounds in weed enter your bloodstream first. The bloodstream is where everything starts before the compounds reach your brain and other organs in the body. Your body will also start to metabolize weed quickly, and those active cannabinoids are then broken down within the blood. Because of this, the compounds do not stay in the bloodstream for very long. Generally, THC will stay in your blood for about one or two days after a single consumption. If you consider yourself as a habitual user, THC may stay in the blood longer, usually around a week.

There are also a number of factors that may affect the length of time in which weed stays in your system. These factors may include your gender, age, as well as BMI (Body Mass Index). They may not really be related to the actual drug, but it has something to do with the way in which your body processes, or metabolizes the compounds of the drug.

Other factors may also come into play, including the dosage of intake, as well as the frequency. More frequent use and higher doses can have the tendency to increase the overall amount of time that it usually takes to eliminate the traces of weed in your system. It should also be understood that more potent weed, which is usually higher in terms of THC presence, may also be expected to stay in your system longer. At the same time, ingested weed may also stay in the system longer compared to smoked weed.

Is it Possible to Flush Weed Out of the System Faster

If you look for answers on the internet, you will notice that there are a lot of tips and tricks that are currently available. They all claim to help a lot of users flush weed out of their system faster. At the same time, there are also a lot of products that claim the same thing. Among the usual tips include drinking lots of water, cranberry juice, doing more exercise, taking specific supplements and vitamins, and a whole lot more. You will even find yourself amazed by the length of lists available.

The reality is that there is no single way in which you can flush weed out of your system faster. In fact, the only thing that has been proven to remove weed traces from the body is time. This means that weed will not stay in your system forever. Also, depending on how frequent you consume marijuana, the duration may also vary. Keeping this in mind will allow you to take some considerations. For example, smoking the night before going through a drug test, you cannot really expect to eliminate weed traces from your body.

There is not much that you can really do in order to speed up the overall amount of time that it will take for weed to finally say goodbye to your system. Once weed enters your system, your body is expected to require time to break everything down. While eating healthy, exercising regularly, and staying hydrated may really help, but it may not happen drastically.

As an option, you may want to put your trust in a number of weed detox kit and remedies that are currently offered online. A lot of them usually requires a lot of water, which is important in diluting weed in your urine, then taking herbal supplements, including Vitamin B-12 or creatinine in order to possibly mask the dilution.

Is There a Way to Hack the Process

Even though a lot of tips are now available, especially when it comes to possibly “beating” a weed drug test, most have discovered that they are really just urban legends. It is also worthy to know of some questionable techniques that you may not want to try.

  • Washing Your System Out

Usually, they would recommend users to drink a lot of water and urinating a lot of times before the test and then consuming vitamin B-12 in order to bring back color to urine. Even though this process may be effective in lowering the THC percentage in urine in the process of dilution, it will not really completely remove all of those THC metabolites.

  • Use Drug Screening Agents

Certain companies offer different herbal teas and substances which claim that they are capable of flushing the body of weed traces. However, the fact remains that there is only a little evidence that these claims really work. In fact, there is even a catch to this. Most of these drug screening agents even need to be used throughout an extended period of time, with which your body will naturally eliminate traces of THC from your system.

  • Tampering the Test

Tampering the test usually involves adding some substances to the urine in order to contaminate the urine sample. You may have already heard some stories about people adding bleach, Visine, detergent or salt to the urine sample. However, these items are actually detected easily by the testing laboratories. While there are a lot of commercial products that are sold as adulterants to urine tests, none of them have been proven as foolproof. If a separate test is conducted for them, then they can be easily detected by the laboratory.

Since weed stays in the bloodstream for just a short period of time, blood tests for weed use are usually not used. There are some exceptions though. These include tests conducted in the case of roadside sobriety checkpoints and automobile accidents. Saliva or blood tests can also show intoxication. In contrast with blood alcohol concentration tests, however, they do not really show a level of impairment or intoxication.

This means that urine tests conducted for detecting weed metabolites may only show recent use of marijuana, but not impairment or intoxication. The reason behind this has something to do with the time that is needed between smoking, and with your body breaking THC down, and to the elimination of metabolites in the urine. However, since most companies and employers show zero tolerance for weed use, urine tests are often used in detecting any recent weed consumption.


Weed may be expected to stay in your system between several days to a number of months right after your last use. Even though you may have received a prescription for using medical marijuana, or you may even want to consume weed or marijuana-infused edibles, but the fact remains that there is no single way in which you can remove the metabolites of weed quickly from your system. This only means that you will still end up facing the risks of being caught because of weed use, and end up being charged with driving under the influence. As such, you may have to consider becoming a responsible weed user. If you are informed beforehand regarding an upcoming drug test, the only way in which you can pass the test is by completely stopping ingesting or smoking marijuana, or other weed-infused products, at least for a period of time.