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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)
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoThe 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.
Wiki User
∙ 12y agoIt takes 2 days for Nicotine to get out of our blood.
Wiki User
∙ 14y agowith blood testing it can be checked back up to 4 or so weeks
Wiki User
∙ 11y agoI have heard that it takes up to 1 month
Wiki User
∙ 16y ago72 hours
Wiki User
∙ 14y ago26hrs
Wiki User
∙ 11y agoone day
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one day
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