In our latest question and answer, the pharmacist discusses even if it is or not phentermine will present up top top a medicine test.

You are watching: Does phentermine show up on drug test


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la la asked

I simply took a Phentermine in ~ 11:04am Sunday. I need to take a drug test through 4:30pm this Tuesday (2 job away). I have a high metabolism and also I drink lots of water. Deserve to I pass this test by then? I"ve just taken one and won"t take it another?

Answer

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Phentermine can be detected on urine medicine tests if it is gift tested for.In addition, phentermine, which is very closely related to amphetamine, has actually been reported to cause false-positive tests for methamphetamine.

Based ~ above the pharmacokinetic profile of phentermine, it can last in your body for practically 5 days as the half-life that the medicine is fairly long, about 19-24 hours.

In terms of drug trial and error specifically, many institutes permit you to offer them a list of prescription medicines when a drug screen comes back positive, so once you room able to administer a prescription because that phentermine they most likely will report earlier to whoever ordered the drug display screen that you are clean.

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Phentermine Information

Phentermine is a stimulant that suppresses appetite and is provided to law obesity. This is a controlled substance, so it deserve to only be obtained by a prescription in the united States. This medication is frequently dosed 1-2 time a day and also this is as result of the fact that this medication has a lengthy duration of activity in the human body (around 8-14 hours) and also a solitary dose have the right to stay in the body because that upwards that 100 hours.

Phentermine drug Testing

On most five-panel medicine screening tests, they will certainly test because that amphetamines. Once a patient does test hopeful for a substance, most drug screening facilities will allow the patience to administer prescription medication lists together there space a variety of prescription medications (phentermine included) the will reason a false positive.

When a prescription for a medication is listed they frequently amend the drug test to present that there is, in fact, no positive an outcome when reporting to the party that ordered the test.

Based ~ above the time frame you noted (2 days), it will most likely take much longer than the for phentermine to leave her system and you likely will have a hopeful drug display screen for some form of amphetamine (e.g. Methamphetamine). It might be a good idea to determine up front exactly how to carry out the medicine screening institution with a list of her prescription medications so that they are far better able to advice your medicine test.