Chantix and pleasure

... cessation drug that was discovered and developed by Pfizer, Inc. Marketed as Chantix ... dopamine, a chemical in the brain responsible for feelings of pleasure and well-being.... reports of mood disorders and erratic behavior among people taking Chantix, sold in Canada as Champix, since 2007. Quit-smoking drugs are designed to reduce the pleasure of smoking ...It works by blocking nicotine receptors in the brain so that they can no longer become stimulated by nicotine and produce a pleasure response in the smoker. Chantix has also been ...