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Doctor insights on: How Long Does Nicotine Stay In Blood And Urine

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How long would it take until nicotine and THC do not show up on a blood or urine test?

How long would it take until nicotine and THC do not show up on a blood or urine test?

Drug tests: Suprisingly, both nicotine and thc can stay in your system and be found in urine up to 3 months after you stopped smoking. But quitting is worth it! you will taste and smell more; you will run and move easier; you will have more energy and be more motivated to do! check out "whyquit.Com". One of my patients, a 35+yr smoker of cigarettes and 20+of thc, was able to quit using this resource! good luck. ...Read more

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Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


Dr. Jane van Dis
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Have a pre-employment test for nicotine coming up, how long is nicotine detectable in blood and urine and does the detox stuff they sell work?

Have a pre-employment test for nicotine coming up, how long is nicotine detectable in blood and urine and does the detox stuff they sell work?

2-4 days: Not sure about blood but nicotine is usually tested by a urine test for cotinine, a metabolite of nicotine that stays in your body for 2-4 days after your last cigarette.I would not rely on the "detox stuff."stopping smoking is probably the best thing you can do for your health.The first days are the hardest, so if you stop for 4 days you should take the opportunity to stop for good.See comment:. ...Read more

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How long does it take for nicotine to leave your body (urine and blood stream) after you've stop smoking?

How long does it take for nicotine to leave your body (urine and blood stream) after you've stop smoking?

It varies: Nicotine metabolism is complex. Most nicotine is metabolized in the body to co-nicotine, and this is what is tested for. Nictotine is 1/2 gone after 2 hours, co-nicotine about 20. It takes about 5 1/2 lives for a drug to be "97% gone". 10 half lives for 99.9% another source says a urine test can be positive 7 to 20 days after smoking. ...Read more

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Dr. Jane van Dis
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How to detox my urine and blood from nicotine ?

How to detox my urine and blood from nicotine ?

Nicotine: Nicotine is cleared out of the body in 24 hours following abstinence. Several other chemicals in the cigarette smoke make it difficult to detox. The best detox is TIME . ...Read more

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Does nicotine show up in a urine or blood screening for pregnancy?

Yes: It can show up on a quantitive special urine test if your doctor orders it. ...Read more

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Hello doctor. I just wanted to ask. Will blood and urine test for skin infection reveal any form of nicotine in my body?

Hello doctor. I just wanted to ask. Will blood and urine test for skin infection reveal any form of nicotine in my body?

Not really: I do not believe that there is a test that detects NICOTINE and its relation to skin rashes. I would recommend seeing a physician to determine what the rash is. ...Read more

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How long is it recommended to stop smoking before a facelift, and how long does nicotine stay in blood system?

How long is it recommended to stop smoking before a facelift, and how long does nicotine stay in blood system?

As soon as possible: You should stop smoking for at least 2 weeks before and continue at least 2 weeks after the procedure. Although nicotine only lasts 24 hrs in your system, the detrimental effects may last much longer. Smoking increases risks of complications and prolongs the healing process. Abstaining is one thing that you control that can optimize your results and ensure a safer procedure. ...Read more

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How long does nicotine stay in blood stream after you quit smoking?

How long does nicotine stay in blood stream after you quit smoking?

T 1/2 of 1- 2hrs: Nicotine has a short half-life of 1-2 hours in the blood. Therefore, within a few days of last use, it should be undetectable in the blood. Nicotine however is highly addictive and so its effect on the central nervous system (CNS) of long-term users is significant and often remains for long, often many years after quitting. Seek professional help to avoid relapsing back to the habit. Good luck! ...Read more

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Nicotine (Definition)

Nicotine is a stimulant drug found in cigarettes and is the ...Read more


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Dr. Jane van Dis
Board Certified, Obstetrics and Gynecology
12 years in practice
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