How long is tobacco in your blood?

Nicotine is usually detectable in a blood test for 1-3 days after the consumption of a tobacco product.* However, the length of time that nicotine stays in your system may vary based on how much or how often you smoke, and may also be affected by your age and general health. read more

In blood: When you smoke a cigarette, 1 mg of nicotine enters your blood. It will totally be gone within 1-3 days after your last using tobacco. In urine: The urine test normally can detect nicotine level within 3-4 days after the last time you use tobacco. read more