The first thing you need to do in order to remove nicotine out of your body is to stop smoking immediately. Drink plenty of water, which will help flush toxins out of your system. Nicotine stays in your body for approximately 72 to 96 hours, but traces can remain up to one month, if you’re a heavy smoker.
It can take up to 48-72 hours to flush nicotine out of the body after you stop smoking. Tips to help include drinking plenty of water, exercising to flush the nicotine from your system, and drink plenty of orange juice to help speed up your metabolism.