The primary therapeutic use of nicotine is treating nicotine dependence to eliminate smoking and the damage it does to health. Controlled levels of nicotine are given to patients through gums, dermal patches, lozenges, inhalers, or nasal sprays to wean them off their dependence. A 2018 Cochrane Collaboration review found high-quality evidence that all current forms of nicotine replacement therapy (gum, patch, lozenges, inhaler, and nasal spray) increase the chances of successfully quitting smoking by , regardless of setting.
the primary therapeutic use of nicotine is treating nicotine dependence to eliminate smoking and the damage it does to health controlled levels of nicotine are given to patients through gums dermal patches lozenges inhalers or nasal sprays to wean them off their dependence a 2018 cochrane collaboration review found high-quality evidence that all current forms of nicotine replacement therapy (gum patch lozenges inhaler and nasal spray) increase the chances of successfully quitting smoking by  regardless of setting