How Long Does Phentermine Last In Your System?

How long will Phentermine stay in your system? In your urine? If you have to take a drug test, how many days should you quit taking them before the test?

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Just trying to find how long its in your system before taking a drug test?

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the half-life ranges from 16 to 31 hours, which is quite long, so if you aren't taking it legally you would need to stop about 3 to 4 days ahead of time.

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I need to take urine test on monday and its almost thursday... Will i be OK if i stop taking these by the weekend?

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