It can be as short as 2 days, or as long as 3 months.
Blood Test for Nicotine. Nicotine presence can be detected in the blood for a short period only (about 48 hours) . However, its metabolite, cotinine, can be detected up to about three weeks from the last use and the cut-off detection levels is 200 ng/ml. Unlike testing for nicotine, that for cotinine reveals the cotinine will be detected during 1-10 days after disappearance of tobacco.. the best thing you can do is stop smoking, do mediation to help your body to exhaust the nicotine you have in your body. In these blood tests, nicotine is visible usually 1 to 3 days after last use of a nicotine-containing product, such as cigarettes, smokeless tobacco (snuff), and nicotine patches or gum. This may also vary in lieu of the amount of nicotine use, and the individual’s health and age. Cotinine is usually detected in the blood tests for 1 to 3 days after last use of products containing nicotine like snuff, cigarettes, nicotine gum or patches, etc. This detection time frame can differ as per the intensity of nicotine use, the person’s age, and other factors as discussed above. In a saliva test, which is the most accurate test, nicotine can be detected for more than 10 hours or up to 2-4 days.*. There are ways to effectively clear nicotine from your system, most of which include eating a healthy diet, drinking plenty of water, and getting exercise. The length of time nicotine can be detected depends on the type of  testing used. Blood tests can detect nicotine up to 10 days after  quitting, urine tests detect 3-4 days, … saliva tests up to 4 days,  and hair tests can detect nicotine up to 3 months after quitting. 4 people found this useful. Tonyasnell. The length of time that nicotine stays in the body and cotinine can be a reliable indicator of nicotine use depends on the amount of tobacco smoked, the number of years smoking tobacco, and the type of nicotine test performed. It can be as short as 2 days, or as long as 3 months.
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how long can nicotine be detected in blood