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Cannabis: How Many Days it Remain in Urine and Hairs?

Marijuana & Cannabinoids: How long THC stay in Urine and Hairs?

Welcome everyone to this new chapter of our blog about the residence times of Cannabis in urine and hair! Are you facing a drug test and as a casual cannabis smoker are you afraid you won’t pass it? Then get ready for this new article on how many days Cannabinoids (THC and metabolites) remain in urine and hair!

Drug Test Thc Cannabis

Cannabinoid detection screening

Marijuana use can test positive in urine and hair screening tests for cannabinoids. The duration of detectability of cannabinoids in hair and urine can vary based on several factors, including frequency of use, amount consumed and individual metabolism.

In this guide, we will explore approximately how many days cannabinoids can remain detectable in hair and urine after marijuana use.

Screening test for cannabinoids in urine:

  • THC: The main psychoactive cannabinoid, THC, can be detected in urine for anywhere from a few days to several weeks after use. In occasional users, THC can be detected for approximately 3-7 days. In frequent users, THC can be detected over a longer period, up to several weeks or even months, depending on the level of use.
  • THC Metabolites: THC metabolites, such as THC-COOH, can remain detectable in urine for a longer period than THC itself. These metabolites can be detected for several weeks or even months after use.

It is important to note that urine tests can only detect recent use of marijuana and do not provide information on the amount or frequency of use.

Screening test for cannabinoids in hair:

  • THC: Cannabinoids can be detected in hair for a longer period of time than in urine. In hair, cannabinoids can be detected for months or even years after use. However, it is important to note that hair tests can only provide information on past use and do not distinguish between occasional use and frequent use.
  • THC Metabolites: Metabolites of THC can also be detected in hair over an extended period of time. These metabolites are deposited in hair follicles and can be detected for months after use.

Importantly, hair tests can be subject to controversy due to the possibility of external contamination or false positive results. Also, hair can only provide information about past use and cannot detect recent marijuana use.

It is vital to remember that the detectability of cannabinoids in urine and hair can vary depending on several individual factors. This information is only rough estimates and can vary from person to person.

Cannabinoids can be detected in urine for a few days or weeks after marijuana use, while they can be detected in hair for months or even years. However, it is important to note that detectability may vary depending on individual factors and the testing methodologies used.

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Blood Cannabinoid Screening Test: How many hours are left?

After smoking marijuana or taking products containing cannabinoids, active compounds, such as THC (tetrahydrocannabinol), are absorbed into the bloodstream. The presence of cannabinoids in the blood can be detected through screening tests. However, the exact duration of cannabinoids in the bloodstream can vary depending on several factors, including the amount consumed, frequency of use, and individual metabolism.

It is important to note that cannabinoids can be detected in the blood for a relatively short period of time compared to other bodily fluids, such as urine. However, the duration of cannabinoids in the blood mainly depends on the type of consumption and the sensitivity of the tests used.

After inhaling marijuana:

Smoking marijuana can cause a rapid response of the psychoactive effects, but cannabinoids in the blood begin to decline more rapidly than with other forms of consumption. Typically, THC levels in the blood drop significantly within several hours after inhalation.

After taking cannabinoid products (such as food or drink):

Taking cannabinoid-containing products may take longer for absorption into the bloodstream than direct inhalation. Blood THC levels peak after a certain amount of time and can remain detectable for several hours.

However, it is important to note that the presence of cannabinoids in the blood does not necessarily indicate a psychoactive effect or an inability to perform certain activities. The sensitivity of screening tests can vary, and some jurisdictions use specific detection limits to determine the presence of cannabinoids in blood for legal or safety purposes.

It is essential to be aware of local laws and company policies regarding substance use and screening tests. Also, remember that substance use can affect your ability to drive or perform other activities that require concentration and alertness.

Bottom line, marijuana cannabinoids may be detectable in the blood for a few hours after use. However, the exact duration may vary based on many individual factors. If you have specific questions or concerns about a screening test or the consequences of your actions, we recommend that you consult a qualified medical or legal professional.

How To Pass Drug Test For Cannabis?

There is no legal method of passing drug tests, which are used to identify Cannabis as other illegal substances, other than by immediately stopping the use of the substances themselves. The best thing is to speed up the process of “cleansing” the body of the substance as much as possible by means of daily physical activity (sweat, sweat and sweat), a healthy lifestyle, trying to drink as much water as possible for the body.

Drinking lots of milk and eating lots of fruits and vegetables also helps the body cleanse itself of various toxins. Walks in the mountains with good quality air can be another little natural help!

Depending on the metabolism and other personal factors, it may take the body a few days or weeks to return to having THC levels equal to 0 in the urine, and even longer if it is hair (in this case, even years).

Drug Test Thc Cannabis smoker

And that’s all for this article on the residence times of cannabis in the urine and in the hair! We hope to have been of help to you, see you in the next article!

Greetings from the Annibale Seedshop Team!



Davide V, CEO, Founder & Geneticist