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Doctor insights on: How Long Does Marijuana Stay In Your Hair Follicles

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Dr. Robert Killian
Board Certified, General Practice
22 years in practice
327M people helped
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Can amphetamines such as Vyvanse make marijuana less visible in a hair folicle test? I am prescribed Vyvanse

Can amphetamines such as Vyvanse make marijuana less visible in a hair folicle test? I am prescribed Vyvanse

Beating a drug test: I am surprised still here on health tap when someone expects physicians to help them beat a drug screening. We really are physicians and really want patients to be healthy and that means to be clean. But, the simple and right answer, is nope. Absolutely not. Marijuana, if you have been using it, will be found in a hair test, regardless of what you have done to try to 'cover it up'. ...Read more

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Dr. Dennis Higginbotham
Board Certified
24 years in practice
49M people helped
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Follicle (Definition)

An ovarian follicle contains a hollow ball of cells with an immature egg in the center. It is a structure within the ovary containing the egg that ...Read more


Dr. Shariq Refai
Board Certified, Psychiatry
7 years in practice
11M people helped
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How long does marijuana stay in your hair follicles?

How long does marijuana stay in your hair follicles?

Depends on use.: It depends on how often you use it. If you used it only once it can be detected by blood for 12-24 hours while it is detected in urine from 1-7 days. With regular use it can be detected in blood for 2-7 days and in urine anywhere from 1-100 days even if a heavy user. Age, height, weight, metabolism all are considered factors. ...Read more

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Dr. Dennis Higginbotham
Board Certified
24 years in practice
49M people helped
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Dr. Michael Tomeo
Board Certified, Dermatology
32 years in practice
1M people helped
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Dr. Alan Ali
Board Certified, Psychiatry
26 years in practice
176M people helped
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Dr. Dennis Higginbotham
Board Certified
24 years in practice
49M people helped
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Dr. Linda Callaghan
Board Certified, Addiction Medicine
47 years in practice
1M people helped
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How long does marijuana stay in the hair follicles?

Depends.: If you are a regular user, it can be detected up to 3 months. ...Read more

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Dr. Gurmukh Singh
Board Certified, Pathology
43 years in practice
95M people helped
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If you smoke marijuana regularly how long does it take to not be detectable in hair follicles?

Depends: THC is detectable in the urine for up to three months in chronic users. If hair is tested, the hair that grew out for up to three months after quitting may show THC. ...Read more

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Dr. Pamela Pappas
Board Certified, Psychiatry
36 years in practice
135M people helped
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Help does marijuana stay in your hair follicles?

Help does marijuana stay in your hair follicles?

Yes: Depending on frequency of use, marijuana (thc) can be detectable in your hair follicles for many months. ...Read more

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Dr. Jeffrey Satinover
Board Certified, Psychiatry
33 years in practice
1M people helped
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Does marijuana stay in the root of the hair follicle for 6 months, or does it get pushed out by the new hair growing in?

Does marijuana stay in the root of the hair follicle for 6 months, or does it get pushed out by the new hair growing in?

Long time: Thc is stored in fat cells which serve as a reservoir and release it slowly into the bloodstream and from there into hair follicles. For a long time user, the "reservoir" can be quite full and so may feed follicles at 6 mo and longer. The new hair growing out takes some follicle thc with it as new thc is being fed in. ...Read more

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Dr. Randy Baker
Board Certified, Holistic Medicine
34 years in practice
21M people helped
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I smoked marijuana seldom in small doses am 5'10 150 pds my hair grows slow and the last usage was 12/16/13 can I be clean for a hair follicle by 3/12?

Hopefully...: The reason you have a good chance of testing clean is that you use it seldom in small doses and have now abstained for a few months. Based on this the odds are good you will test clean but there are no guarantees. I feel such testing in an intrusive invasion of privacy. See http://www.Canorml.Org/healthfacts/testing.Tips.Html good luck! ...Read more

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Dr. Robert Killian
Board Certified, General Practice
22 years in practice
327M people helped
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Marijuana (Definition)

Marijuana refers to the various preparations of the Cannabis plant into the psychoactive drug for recreational use ...Read more


Ganja (Definition)

Ganja is also known as Marijuana. Ganja is a Sanskrit word ...Read more


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Dr. Dennis Higginbotham
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24 years in practice
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