Stop smoking drugs can help a smoker give up on old unhealthy habits, mostly replacing them with substitutes until the need for nicotine disappears. It mostly involves the use of trasnsdermal nicotine patches, gum, lozenges, inhalers or sprays, doubling the changes of quitting in less than eight weeks. Bupropion, an antidepressant better known as Zyban, also helps against cravings and urges, though it is not indicated in epilepsy, seizure disorder, and eating disorders such as bulimia or anorexia and in the case of benzodiazepines users. Also used is the nicotine receptor agonist varenicline, branded as Chantix. Also a helpful stop smoking drug, the Suns is currently being tested after proving successful in Sweden and Norway. It’s basically a moist powdered tobacco used to replace the cigarettes.