It takes like 3 days in ppl who dont smoke alot, and like a week in chronic users. Urine and hair test take longer to get clean expecially hair.
BestTonicIsChronic Reviewed by BestTonicIsChronic on . blood test question I haven't smoked in 3 weeks. My mom says I need to take a blood test cause i'm going to the doctor's soon. Check up I think. Anyways, how long does it take for it to not show up on blood tests. And wat hsould I do to not get caught. Rating: 5