How Long Does Weed Stay In Your System

The amount of time weed stays in your system depends on the dose you have taken. Weed can be detected in your system for 1 to 30 from the last time you used it. As far as other drugs are concerned, they are detectable in your hair for a few months.

The window of detection when it comes to weed as pointed above worries depending on dose and how often you smoke. To be specific, when you smoke marijuana on a daily basis, for example, your detection time can be 90 days or more.

How Long Is Weed Detectable Via A Screening Test?

During a screening test, the tester will measure weed and its metabolites which stay in your system long after you have smoked and the effects are gone.

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Urine tests

Weed can be detected in your urine for the following period from the last time you used it. For occasional users, these are people who smoke three days a week; the detection time is three days. For moderate users, these are people who smoke four times a week; the detection time is 5 – 7 days. For chronic users, these are people who smoke every day; the detection time is 10 – 15 days. For chronic heavy users, these are people who smoke multiple time in a day, detection time 30 days plus.

Blood tests

If your blood is going to be tested for weed, it can be detectable for about 1 – 2 days, but in certain cases, weed in blood has been detected well over 25 days. Those who smoke multiple times a day, their detection time is longer compared to those who do not smoke much. It is worth noticing that weed can be detectable in your bloodstream a few seconds after you inhale it in. It quickly finds itself into your bloodstream and will remain in there for days depending on how much you smoked. Labs these days are not only testing urine for marijuana use, but they are also testing blood.

Saliva tests

According to various reports on cannabinoids, they pointed out that marijuana can be detected in your saliva for 1-3 days for occasional users and 1 to 29 days for chronic users. Weed does enter your saliva through not just smoking just also exposure to the smoke itself, but metabolites can only be found in your saliva when you ingest or smoke it. In countries like the United States, there are a few states where roadside saliva drug tests can be conducted. Being careful as these can happen at random is important.

Hair tests

Hair tests are used to find out if you have used any drugs like marijuana for up to 90 days. When you light up and hit a joint, weed does reach your hair follicles through the small blood vessels and traces of it can still be detected in your hair. Since our hair grows about 0.5 inches a month, if a 1.5-inch segment of your hair is taken, it can tell the people at the labs whether you came into contact with drugs over the last three months.

What Are The Factors That Affect The Length Weed Stays In Your System?

There are a few things that affect the length weed stays in your system, and these are your body mass, your gender, your age and how fast the body metabolizes the drug from the moment you take it. There are a few other factors out there, however; these are related to how you use the drug and the actual drug itself.

As pointed out above, how many you take (dose) and how often you take the drug (frequency) all play a major role in how long it takes to break down weed in your body. If you take high doses of weed on a regular basis, you increase the time it will take the body to get rid of the drug inside your system.

Weed that has a very high THC concentration will stay in your body a lot longer compared to weed that is “weak.”

What Can You Do To Boost Weed Metabolism In The Body?

According to various reports, there is entirely no known way you can do to speed the process up. When weed enters your system, you have to give your body the time it needs to break the drug down. Things, like drinking water and eating healthy, might help a bit but not so much.

The internet is full of THC detox kits and remedies, but many of them need you to drink plenty of water so that the urine in you is diluted. You can take these supplements like vitamin B-12 or creatinine to hide the fact you tried to cheat.

How Long Does Weed Take To Kick In?

After you hit a joint, you should start feeling the effects within 1 or 2 hours. However, the effects do appear much quicker. This is usually in 15 to 30 minutes, and the ingredients found in this drug will make you “high.”

Some of the effects you feel after smoking weed include chattiness or giggling, sense of well-being, feeling like time is slowing down, sense of relaxation and altered sensory perception.

There are also other short-term effects of smoking weed which include increased appetite, inability to fully focus, sleepiness, trouble coordinating, feeling sick, confusion, restlessness, increased heart rate, anxiety, delusions, psychosis, and dry lips.

Putting the effects of weed to one side, there are some health risks one needs to be aware of when smoking weed, and these include learning impairments, heart diseases, memory loss, mood swings, cognitive impairments, and hallucinations.

How Long Do The Effects Of Weed Take To Wear Off?

The effects of weed start to wear off 3 – 4 hours after you have smoked it while it can take about 4 – 6 hours for certain people. As for long-term effects, if you are a heavy user, the effects can last days, weeks and even months. For some people, the effects of heavy weed use can be permanent.


Marijuana can stay inside your body from a few days to months from the last time you used it. The window of detection depends on the type of screen test being conducted on you as well as other facts like frequency and dose.


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