How Long Does Nicotine Stay in Your System?
Nicotine clears your blood in 1 to 3 days, but cotinine can show on a test for a week or more. See detection windows for urine, blood, saliva, and hair.
Nicotine clears your blood in 1 to 3 days, but cotinine can show on a test for a week or more. See detection windows for urine, blood, saliva, and hair.