How long does it take for any trace of tobacco use to

[brtdvnprt]

not show up in a blood or urine test?

[ryanevans34]

y? it takes at least 24+hours we learned it in health class.

[Michael9]

Your mother`s gonna bust you!!!

[melelllan]

The active ingredient in tobacco that is tested for is Nicotine. Nicotine can be detected in both the blood and urine for several days after cessation of tobacco use. The length of time depends upon several factors, weight of patient, long term use, and quantity.