Skip to Content

Adipex-P - how many hours do adipex stay in system in a days time?

Answers (1)

25 Feb 2013

Adipex (phentermine) has a half life of approximately 25 hours.

It takes around 5.5 half lives for a 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).

Further Information

Search for questions

Still looking for answers? Try searching for what you seek or ask your own question.

Similar questions

Weight Loss - Does anyone know if it is ok, healthwise, to take Adipex-P along with Orlistat?

I take about 1/2 to 3/4 of the 37.5 mg Adipex (Phentermine)pill daily for appetite suppressant as prescribed by my doctor, but want to add in the ...

1 answer 9 Sep 2010

Is losing 1-2 pounds a week normal on tenuate?

Hi , i just started taking tenuate 75mg ER . I switched over from adipex 37.5 i was on that for 1 month but half way thru i had to cut the dose in ...

1 answer 14 Apr 2015