nicotine how long it stays in your system
How long does nicotine stay in your saliva? Using a swab, a sample of saliva is obtained and then a test strip is placed in the saliva for 20 minutes at which time a result will be shown. Saliva testing can find traces of nicotine for two to four days after you have quit using tobacco or nicotine products. How long does nicotine stay in your blood? Nicotine can show up in your blood from 1 â 3 days after your last fix depending on how heavy a smoker or a dipper you are. Blood testing can include testing for cotinine, which will give an exact level of toxic nicotine remaining in the blood.