Zyban (bupropion hydrochloride) is the first non-nicotine containing, oral medication that is approved as an aid to help individuals quit smoking. Zyban has shown in clinical trials to not only help with smoking cessation but to also decrease the weight gain that is often associated with quitting smoking.

Zyban also reduces the following withdrawal symptoms associated with quitting smoking:

* Irritability frustration and/or anger
* Anxiety and restlessness
* Depressed mood or negative affect
* Difficulty concentrating

Zyban was found in numerous studies to help individuals decrease their cravings for nicotine and stop smoking. While exact mechanism of action remains unknown exactly how Zyban works scientists believe that Zyban acts on the part of the brain that is addicted to the ingredients (primarily nicotine) found in cigarettes. Zyban decrease your cravings and withdrawal symptoms, hence, allowing individuals to stop smoking.