How Long does Nicotine Stay in Saliva?

If you have got habituated to tobacco for the last six month, then the traces of the toxic substance can be detected in your system for approximately 20 or more days.

Nicotine can stay in your system for up to two days. It will vary depending on the last time you smoked. If you continuously smoke it will stay in your sytem.

It can take up to 8 hours for nicotine to leave your blood, and up to 20 days for nicotine to totally leave your system, depending on usage levels. However, the effects of nicotine can last much longer. You can find more information here: americanheart.org/presenter.jhtml?identi....

Nicotine can only be detected in your urine, blood, and saliva for two to four days. It can be detected in the hair for up to three months. You can find more information here: en.wikipedia.org/wiki/Drug_test#Detectio....

Drink lots of water, no idea how long it stays in your system but I don't think it could be more then 72hours.

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