16 Sep 2009
Adipex (phentermine) has a half life of approximately 25 hours.
It takes 5.5 half life's for the medicine to be totally eliminated.
Therefore Adipex will be in your system for approximately 137.5 hours (5.5 x 25) i.e.5.7 days (or 6 days).
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my friend is in a lot of pain and was prescribed them but is fighting a battle for her kids need to know how long it will stay in her system
i took one adipex on friday morning, now i have to do a urine drug test tomorrow, wed. will i be clean?