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Dr. Andrew Rynne
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does marijuana show up in hair drug test?

I am a frequent medical marijuana user, and two days ago I had a random hair drug test. Prior to the test I had smoked hours before :( I m so bummed. If it helps, I just cut my hair almost 2 months ago so it s styled in a short cut, I eat healthy, drinks lots of water and walk daily. I m a woman and I weigh about 128-130. What is my odds of passing this test? Although I m expecting the worst.
Tue, 12 Jan 2016
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Psychiatrist 's  Response
Hello, welcome to HCM, and thanks for your question.

Hair drug tests are very sensitive and can detect the use of many drugs for up to 6 months, regardless of how short the hair is cut. Since you are a frequent marijuana user, this will certainly show up in the test.

If you do not want marijuana to show up in drug tests, I recommend stopping marijuana. You can visit a psychiatrist to discuss a plan for marijuana cessation. There are no drugs known to help with this, but it can be managed with regular psychotherapy.

In the future, for continuity of care, I encourage you to contact me at my private link below. After you ask a direct question it would be my pleasure to be your dedicated personal physician on this website. My name is Dr. Sheppe, and I am an American doctor working in New York City at NewYork-Presbyterian Hospital, ranked #1 for Psychiatry in the United States ( For a personalized comprehensive evaluation, treatment recommendations, and individual therapy, ask me at HealthCareMagic at this private link:
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