5 doctors weighed in:
What is the time frame for adipex to show up in a urine drug screen?
5 doctors weighed in

David Miller
Family Medicine
3 doctors agree
In brief: Not a concern
If you're taking it regularly, then it likely will show up.
So long as you are taking it under a doctor's prescription and supervision, taking it as prescribed and the side effects don't interfere with your work, you should have little to fear if it shows up on a urine drug screen. The main point of these tests is to find people abusing drugs, not taking them by prescription.

In brief: Not a concern
If you're taking it regularly, then it likely will show up.
So long as you are taking it under a doctor's prescription and supervision, taking it as prescribed and the side effects don't interfere with your work, you should have little to fear if it shows up on a urine drug screen. The main point of these tests is to find people abusing drugs, not taking them by prescription.
David Miller
David Miller
Answer assisted by David Miller, Medical Student
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Dr. Alan Wartenberg
Addiction Medicine
In brief: Within hours
Adipex or Phentermine has an amphetamine-like nucleus, and will usually show up as amphetamine within a few hours of ingestion.
More definitive testing, beyond the initial screen, can differentiate Phentermine from other amphetamines. If you are being tested for job or legal issues, and have a prescription, it should not pose a problem, but you need to make sure they do definitive testing.

In brief: Within hours
Adipex or Phentermine has an amphetamine-like nucleus, and will usually show up as amphetamine within a few hours of ingestion.
More definitive testing, beyond the initial screen, can differentiate Phentermine from other amphetamines. If you are being tested for job or legal issues, and have a prescription, it should not pose a problem, but you need to make sure they do definitive testing.
Dr. Alan Wartenberg
Dr. Alan Wartenberg
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