Cannabis can be found in your bodily fluids for about 30 days after it leaves your system. Hair tests can reveal cannabis usage up to 90 days later, so it can linger in your hair for even longer. However, the quantity and frequency of your cannabis usage will determine whether it is detected on a test. Heavy and frequent use is more likely to be detected in drug testing.
It’s difficult to predict how long cannabis will last in your system and whether it will show up on a drug test. In this post, we examine a few of the elements that affect how long cannabis remains in your bloodstream. We also talk about various drug tests, their reliability, and their propensity to detect cannabis use.
What Types of Drug Tests Are Most Common, and How Effective Are They at Identifying Cannabis Use?
Saliva, urine, hair, and blood tests are the most common types of drug tests. Tetrahydrocannabinol, or THC, as well as other cannabinoids, are measured by these tests.
A Blood Test
One study found that cannabis can be found in the blood for one to two days.  However, this only applies to a single amount; bigger, more frequent doses can cause blood levels to remain elevated for up to 25 days.
Especially when smoked, cannabis reaches the bloodstream quite quickly (with edible cannabis it may take longer to do so). The byproducts of this process can continue to circulate in the bloodstream after it has been metabolized.
The urine test is one of the most popular types of drug testing. This type of test is common since it is simple to do, does not require a laboratory setting, and is nevertheless quite accurate.
Although this number only applies to the heaviest and most frequent use, urine tests can identify cannabis use for up to 30 days (several times a day).
Using cannabis seldom (up to three times per week), a urine test can only find evidence of it for up to three days. A urine test can reveal more frequent use, when the user is smoking cannabis four to seven times per week, five to seven days after the incident. A urine test can identify chronic or daily use for 10 to 15 days.
Saliva tests are less common than urine tests, but they can still be used because, among other benefits, they have a lower “potential for adulteration, ease of multiple sample collection, and lower biohazard risk during collection.”
Chronic cannabis users can detect cannabis metabolites in oral fluid for up to 29 days. One to three days after use, cannabis can be found in the saliva of infrequent users.
THC (tetrahydrocannabinol), one of the cannabinoids measured by oral fluid testing, is found in saliva. After cannabis is smoked, inhaled, or sprayed into the mouth, these cannabinoids move into the saliva.
Hair tests, which may identify cannabis up to 90 days after use, are by far the most reliable type of drug test. Hair tests are effective because, after use, cannabis and other drugs leave traces in the hair follicles.
A little section of hair (1.5 inches) from close to the scalp can be used by scientists to determine what drugs a person has taken because hair grows at a rate of half an inch per month.
However, there are several drawbacks to hair tests. False positives are the largest negative. False positive drug test results occur when a test indicates that a person has used cannabis even when they haven’t. Because hair tests detect oil in the hair, which might be polluted, this is something that can happen (e.g. if the person being tested had come into contact with someone who used cannabis).
What More Regarding False Positives Should I Be Aware Of?
An immunoassay test will probably be used if you are subjected to a cannabis test at work. The gas chromatograph-mass spectrometer test, which is more accurate, will be administered if the EMIT test, also known as the EMIT test, results in a positive result (GCMS).
The likelihood of false positives impacting the outcome is decreased by conducting two rounds of testing.
False positives are less of a concern today than they were in the past because drug testing has generally become more reliable. It used to be a problem for ibuprofen to produce false positive results in cannabis tests, but this is no longer true with modern testing.
What Occurs to Marijuana After You Breathe It In?
Tetrahydrocannabinol, or THC, is the chemical in cannabis that causes psychoactivity. This substance is taken into the blood when cannabis is used. After that, it travels to the fatty tissues and organs before finally being metabolized in the liver.
Over 80 metabolites of THC exist. These metabolites persist even after the THC has left your bloodstream. Drug tests look for these metabolites in the blood, saliva, urine, or hair.
What Additional Elements Impact how Long Cannabis Remains in Your System?
Several more factors, in addition to the quantity and frequency of cannabis usage, might influence how long cannabis (and THC) stays in your body.
- How the cannabis is used (e.g. smoking, edibles, sprays)
- Other drugs
Weight is particularly crucial since fatty tissue is where the body stores THC. Cannabis may linger in a person’s system longer if they are more fat than average for their height, age, sex, etc. Contrarily, someone who exercises frequently and has a lower BMI (Body Mass Index) can discover that marijuana does not stay in their system for as long.
Cannabis potency may also be a factor. Stronger cannabis will likely stay in your system for longer because it has more THC than weaker cannabis. Since edible cannabis requires more time to break down than smoked cannabis does, it may also stay in your system longer.
The pace at which THC is metabolized might also be affected by the presence of other medications in your body. The amount of THC in your body can be increased by a number of medications, including verapamil, itraconazole, erythromycin, and clarithromycin. Rifampin has the opposite result, causing the body’s THC levels to drop.
Can the Metabolic Process Be Accelerated?
Although there are several methods for eliminating cannabis from your system that you may find online, none of them are supported by scientific research. The only true choice you have after consuming cannabis is to let your body heal itself.
All you can do is pray that the cannabis exits your system in time if you have a drug test that you need to pass. Having said that, cannabis has been connected to mental health conditions including bipolar illness, so we do not advise using it at all.
What Are the Side Effects of Cannabis Use, and When Do They Start to Show?
Cannabis effects start to show quickly, especially when the drug is smoked. After as little as 15 minutes, you can anticipate feeling buzzed.
The effects of cannabis take one to two hours to manifest after use.
Cannabis consumption has the following negative effects:
- Feeling at ease with the world
- Feeling calm and relaxed
- Since that things are happening more slowly
- Laughing and talking more
- Changes to touch, vision and taste
Further effects can include:
- Lack of concentration
- Feeling more hungry
- Feeling nauseous
- Dry eyes and mouth
- Accelerated heart rate
Although this is relatively uncommon, smoking cannabis has been known to give certain people psychosis and hallucinations.
Chronic marijuana usage can lead to cognitive and memory problems, among other developmental problems. Additionally, it increases your chance of stroke and other illnesses like bronchitis and heart disease.
Finally, consuming marijuana while pregnant is not advised because it may harm the unborn kid.
How Long Do Cannabis’ Effects Last?
After one to three hours, effects like giggles, clumsiness, tiredness, and so forth usually subside. However, longer-lasting side effects, such as sleeplessness, can occur depending on how frequently the drug is used.
The time it takes for cannabis to be metabolized varies widely from person to person and is influenced by factors including age, weight, the amount of cannabis consumed, the mode of consumption, and more. Cannabis typically remains in your bloodstream for 10 to 30 days.
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