how long can cotinine be detected
In light smokers, cotinine and its levels can be detected for 2 to 3 days; in medium smokers for around 5 days; and in heavy or addicted smokers, for 10 days or more.Cotinine can remain in the system for more than 10 days in people who chew tobacco. Sponsored link.hus, it is quite difficult to assign a limit to the amount of time that this alkaloid can be detected in the system. Some tests can detect the component for up to ten days, while other tests can detect cotinine presence in the system for nearly 90 days or more.