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I smoked a cigarette for the first time today how long will it take for iit to get out of my system

A 40-year-old member asked:
Dr. Johnnie Strickland Jr
Family Medicine 33 years experience
Varies: Carbon monoxide will be gone after 4 months when all of the red blood cells it covered are replaced by new ones. Nicotine will be gone within a few h... Read More
Dr. Alan Wartenberg
A Verified Doctoranswered
A US doctor answeredLearn more
Less than a day: The nicotine will be gone inside of a day and the tars will be cleaned up by the body's defenses in even less time than that. Don't go for a second ... Read More
Dr. Stuart Wasser
Addiction Medicine 35 years experience
See below : The nicotine will be gone in six to twelve hours. Cotinine levels will be around longer.

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A 63-year-old female asked:
Dr. Paul Pyles
Addiction Medicine 33 years experience
Stop for 2 weeks: To be safe, you might want to stop smoking for a couple weeks. They are testing for cotinine which is a metabolite of nicotine. It has a long half li... Read More
A 19-year-old female asked:
Dr. Robert Kwok
Pediatrics 33 years experience
No. Don't do it.: It is not safe to smoke cigarettes, or to smoke anything else other than brisket, ribs, or chicken. Smoking cigarettes means inhaling the toxic stuff ... Read More
A 38-year-old member asked:
Dr. Marybeth Lambe
Travel Medicine 45 years experience
Variable: Depends what you mean by "out of system". Nicotine can clear within 2 days but its metabolic product from the liver-- "cotinine" --is cleared more slo... Read More
A 18-year-old male asked:
Dr. Bassam Amawi
Psychiatry 49 years experience
Nicotine ?: Drug test does not include nicotine.Drug test r used for opiod , benzo , cannabas and other illicit drugs...!
A 49-year-old member asked:
Dr. Derrick Lonsdale
Preventive Medicine 73 years experience
Sometimes months: Stick with it, it is the only way.
A 31-year-old member asked:
Dr. Stuart Wasser
Addiction Medicine 35 years experience
Pretty quick: For the chemical to leave but the withdrwal will peak in1-2 days, last for weeks and cravings go for months or years.
A 30-year-old female asked:
Dr. Robert Killian
General Practice 28 years experience
Smoking drugs & UAs: It may take weeks, especially if the pcp was laced on marijuana.
A member asked:
Dr. Leonard Spishakoff
Specializes in Addiction Medicine
1 week: You need to stop smoking as this is never a good choice. But for practical purposes you need to remain 1 week at minimum without smoking.
A 47-year-old member asked:
Dr. Alan Wartenberg
A Verified Doctoranswered
A US doctor answeredLearn more
No: It takes repeated use, over many weeks, and usually at least months or even years. You can get reactions from your first drinking episode (nausea, vom... Read More

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