Nicotine has a half-life of about 2 hours, meaning, half of your nicotine dosis is out of your system within two hours, to get all substances out of your system, it takes about three days. (varies from person to person of course)
The metabolite of nicotine, called cotinine, is what is tested in the blood. The half-life of cotinine is 20-24 hrs, and up to five half-lives can be detected. This means that you would have to stop smoking cigarettes (and the use of any other nicotine containing substances) for about a week, for cotinine levels to be zero.
It takes 2 days for Nicotine to get out of our blood.
with blood testing it can be checked back up to 4 or so weeks
I have heard that it takes up to 1 month
it could stay up to 2 seconds
Marijuana aka (Canabis) Can stay in your unrine or blood stream for up to 28 days.
2 - 4 days.
Heroin usually is cleared from the body in 2-3 days.
diazepam has a very strong half life which means it can stay in the blood stream for up to 2 to 8 days (48 to 200 hours)
Morphine can stay in your blood stream from two to five days depending on the dosage size taken.
I was supposingly given a half life drug called "prolixon" and that stayed in my blood stream 4-5 years after I was given a shot every 2 weeks for 6 months.
how long will one hit of herion stay in the blood