Are you saying that the "dirty urine" is that he tested positive for a drug? I am still not quite clear what you mean by "dirty urine." Please explain what you mean in greater detail, as this is not a term that we use in medicine and I need to know what you mean by it.
DearCustomer There are not really any foods, per se, that I know of that will interfere with or give false positives to THC (pot) urine testing. There are some medications, over-the-counter and prescriptive, that can lead to false positives in PRELIMINARY urine drug screens. These include:
A responsible laboratory will then go on to conduct confirmatory testing, at an increased expense, that will not likely have false positives for THC (pot). THC is detectable in the urine in people who have used lightly within the past 7 to 10 days, and up to a month in chronic moderate-to-heavy users.
The questions that you will need to find out are:
Kindest Regards,XXXXX XXXXX, MD