Nicotine Polacrilex Lozenges are a form of Nicotine Replacement Therapy. They deliver nicotine to your body, temporarily relieving craving and nicotine withdrawal symptoms when you quit smoking. But unlike cigarettes, Nicotine Polacrilex Lozenges deliver a lower, steady level of nicotine to your blood. When used as directed, Nicotine Polacrilex Lozenges help you regulate, control, and gradually reduce your body's craving for nicotine. The good news is that Nicotine Polacrilex Lozenges contain no tar or carbon monoxide, and therefore don't present the same medical risks as cigarettes. However, the lozenges still deliver nicotine, the addictive ingredient in cigarettes. And for some people the nicotine in Nicotine Polacrilex Lozenges can occasionally cause mouth or throat irritation, headaches, nausea, hiccups, upset stomach or dizziness