A 45-year-old member asked:

How long can cotinine be detected in saliva tests?

1 doctor answer1 doctor weighed in
Dr. Alan Wartenberg
A Verified Doctoranswered
Addiction Medicine 51 years experience
Variable, but the: Companies that manufacture the tests say that saliva can remain positive for 7-10 days, whereas blood and urine tests are generally negative within 3-5 days.
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Last updated Sep 18, 2018
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