A member asked:

How long will 1 phentermine stay in my urine? i have a drug screen in 3 days. took 1 yesterday?

A doctor has provided 1 answer

The time for 1/2 the drug to leave the body is about a day. The next day half & so on until the drug is likely undetectable in urine after 4 days. Depending on the sensitivity of the test it may or may not be positive.

Answered 7/19/2023

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