Nicotine addiction refers to a dependency, which is acquired through habitual cigarette use. Apart from being a harmful effect in itself, it is the main cause of many ailments and diseases related to smoking. However, with the proper diagnosis and treatment, it can be eliminated along with the habit of smoking.

The process of diagnosing nicotine addiction can be done through observing a set of behavioral patterns displayed by a smoker. For instance, an individual can determine if he is addicted to nicotine if he smokes considerably more than the recommended number of cigarettes per day, which is 5 sticks. The length of time between waking up and having a cigarette can also be a factor in confirming the nicotine addiction of a person. He is most likely nicotine-dependent if he frequently feels the need to smoke right after waking up in the morning. Aside from these, the last and most evident factor that can verify the nicotine addiction of an individual is his level of resistance to any form of smoking cessation or reduction. A nicotine addict is usually aware of his problem and has the desire to quit smoking, but he could not control himself from satiating the habit.

With regard to the methods to treat nicotine addiction, a person can make use of over-the-counter products to alleviate and get rid of the said dependency. Generally, what these products do is block the part of the brain that produces the chemical, which triggers the addiction to nicotine. When this happens, the satisfying effect that smoking used to provide is reduced, thus making the habit less appealing.