How Long Does Marijuana Stay in Your System?


Did you know that as of June 2019 the medical use of marijuana has been approved in 32 states and territories in the United States? If you live in a state that it is legal but you are curious about “how long does marijuana stay in your system?” then you are in the right place.

Keep reading to learn the ins and outs of cannabis in your body.

How Long Does Marijuana Stay in Your System?

The truth is that it depends on how much you ingest or smoke and how often you use it. Usually, the more doses and more frequent use means it can be detected for a longer period of time.

Cannabis is normally detectable in bodily fluids for 1 to 30 days since the last use. If being detected via hair then it can be detectable for a few months since the last use.

Keep in mind that cannabis actually can remain in your body in different ways:


If you use cannabis daily or almost daily it can be detected with a hair test. A hair test can detect use up to three months after smoking. Sometimes a hair test is not always reliable when it comes to detecting the use of cannabis or the amount that is used.


When testing with urine the results will only be positive if the cannabis was recently smoked. If someone is intoxicated right at the moment when a urine test is taken it will not show up as positive.

The reason that it takes a little longer to detect is that the body has to break down the THC in order for it to show up on the urine test.


Saliva tests are similar to blood tests in that they only show current intoxication. When testing those that may have smoked marijuana or those that enjoy eating an edible, it is not a common test that is used.

For occasional users, cannabis is detectable in saliva for 1 to 3 days. For more chronic users it can be detectable between 1 to 29 days.


Marijuana only stays in your bloodstream for a short period of time. For this reason, it is not common for a blood test to detect it. This test is not as popular because it stays in the bloodstream for such a short period of time.

Usually, a blood test is used during a car accident and as a sobriety test because they can show current intoxication.

Feeling Like a Pro?

Now that we answered the question “how long does marijuana stay in your system?” you now have a better idea of what to expect if you have to take a drug test in the near future. Once cannabis enters your system your body needs time to break it down.

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