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How Long Does Methadone Remain In The System?

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Posted on Mon, 31 Aug 2015
Question: how long does methadone 15mg stay in your blood system. I had taken it three days before a blood test will it show up?
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Answered by Dr. Klarida Papaqako (1 hour later)
Brief Answer:
Depends on the urine elimination.

Detailed Answer:
Hello,

Thank you for posting your question to HCM,

It will depend on the test. I'm understanding it is a blood test and it is specific for detecting methadone in the blood. In this case I would say that is it mostly eliminated with urine and it may take 8 to 59 hours. It may be prolonged with alkaline pH, which is not something you can control.

I would say try drinking plenty of water so you will eliminate more urine and it will clear faster from the system.

Hope this is helpful.
Let me know if you need more clarification. Otherwise please close and rate the question.

Take care.
Note: For further follow up on related General & Family Physician Click here.

Above answer was peer-reviewed by : Dr. Raju A.T
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Answered by
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Dr. Klarida Papaqako

General & Family Physician

Practicing since :2010

Answered : 1803 Questions

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How Long Does Methadone Remain In The System?

Brief Answer: Depends on the urine elimination. Detailed Answer: Hello, Thank you for posting your question to HCM, It will depend on the test. I'm understanding it is a blood test and it is specific for detecting methadone in the blood. In this case I would say that is it mostly eliminated with urine and it may take 8 to 59 hours. It may be prolonged with alkaline pH, which is not something you can control. I would say try drinking plenty of water so you will eliminate more urine and it will clear faster from the system. Hope this is helpful. Let me know if you need more clarification. Otherwise please close and rate the question. Take care.