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How long does methadone stay in body after taking dosage?

This question has also been asked and answered here: How long does Methadone stay in your system?

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mitjason 11 Jan 2010

The half life is 8 to 59 hours. So it could stay in your system for approximately 118 hours. Remember that's the approximate amount. It differs from person to person. I hope this helps! Good luck!

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