What legal substances can show up as illegal drugs in a blood or urine test?

Question

For instance, I've heard that Rx drug (Tylenol #3 with codine) can show up as cocaine in a drug test. I'm wondering if this is true.

Answer 1

yes, poppy seeds can make for a false positive for opiates in urine drug screens, if tested with in 48hrs of a poppy seed bagel.

Answer 2

Poppy seeds (like on a bagel) will show up as heroin/opium



Codiene in Tylenol 3 is an opiate, so it may show up as opium as well

Answer 3

I think that codiene would read as a downer rather than coke, codeine is a controled substance.



Poppy seeds can read as heroin.

powdered milk and parmesan can read as cocaine.

Answer 4

I dont understand even if it may take position or no longer, yet I fail to understand why do you should conceal this actuality. there isn't any regulation adversarial to taking aerobic vascular drugs,in any portion of the international.Then what's the reason you want to conceal the actual actuality. for my section,particularly you should volunteer and declare your self.

Answer 5

Poppy seeds may show up as heroin use

Answer 6

adderall shows up as amphetamine.

Answer 7

alcohol and caffeine