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How long does nicotine stay in your system?

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Generally, nicotine leaves your blood 1-3 days after you stop using tobacco, and cotinine (something your body makes after nicotine enters it) will be gone after 1-10 days.

Neither will show up in your urine after 3-4 days. If you smoke menthol cigarettes or breathe in secondhand menthol smoke, cotinine may stay in your pee longer.

A saliva test can detect continine for up to 4 days.

Hair testing can show long-term use of tobacco products. It can be very accurate for as long as 1-3 months after you stop using tobacco and can detect nicotine for up to 12 months.

SOURCES:

Workplace Fairness: “Drug Testing”

New Health Guide: “How Long Does It Take for Nicotine to Completely Leave the Body?”

Lab Tests Online: “Nicotine / Cotinine”

Reviewed by Carol DerSarkissian on November 25, 2018

SOURCES:

Workplace Fairness: “Drug Testing”

New Health Guide: “How Long Does It Take for Nicotine to Completely Leave the Body?”

Lab Tests Online: “Nicotine / Cotinine”

Reviewed by Carol DerSarkissian on November 25, 2018

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Can you test positive for nicotine if you don't use tobacco?

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