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How Long Does Xanax Remain In The System?

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Posted on Sun, 14 Jun 2015
Twitter Sun, 14 Jun 2015 Answered on
Twitter Mon, 6 Jul 2015 Last reviewed on
Question : Found out Daughter is taking 20 - 30 mg xanax, for 4 days if i test her how long will it show in her system? Hearing 5-7 days no matter amount. Hearing up to 4-6 weeks. She weighs 110 and is 5'5....
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Answered by Dr. Shubham Mehta (1 hour later)
Brief Answer:
7-10 days in urine test.

Detailed Answer:
Hello
Welcome to HCM.
I understand your concerns for your daughter.

She was taking 20-30 mg Xanax which is a high dose.
If a urine test is done then the limits of detection usually is about 7-10 days.

However, no one exactly determine the time duration for detection of a drug in body.

In a hair test, it can be detected for as long as 3 months.

Hope this helps.

Feel free to ask further.
Thanks.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Shubham Mehta

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Practicing since :2008

Answered : 2144 Questions

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How Long Does Xanax Remain In The System?

Brief Answer: 7-10 days in urine test. Detailed Answer: Hello Welcome to HCM. I understand your concerns for your daughter. She was taking 20-30 mg Xanax which is a high dose. If a urine test is done then the limits of detection usually is about 7-10 days. However, no one exactly determine the time duration for detection of a drug in body. In a hair test, it can be detected for as long as 3 months. Hope this helps. Feel free to ask further. Thanks.