How Long Does Cotinine Stay In The System?
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Detailed Answer:
Hello, and thanks for your question.
The tobacco from cigarettes stays in the system and is detectable by a cotinine test up to 7 days after most recent use. This detection will still happen no matter how much water you drink or how much you exercise. Since your most recent use was longer than 7 days ago (13 days), your test will be negative and you will pass.
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