Smokeless tobacco is still a tobacco product and causes bad breath. Aside from that, smokeless tobacco can cause oral cancer, softening of the oral cavity, nicotine addiction, blood alteration, and gum effects. Tongue piercing Don t laugh because there are people who do this. And if you are one of them, then you should stop it right now. So if you are a parent or taking care of a child, you must realize the things that you should do in order to prevent bad breath in children. To begin with, let us discuss the causes of bad breath. This will enable us to determine the things your child should avoid and the things your child should do to prevent the occurrence of bad breath. If your bad breath is caused by certain oral, nasal or throat condition, then have it cured immediately. Usually, once any of these conditions are treated, the bad breath goes with it. Kidney failure, lung liver failure, lung infection, gastroesophageal reflux disease and hiatal hernia are major diseases that may not come away in days, or worse, would require a series of medical treatments. Mouthwash alone will not remove bad breath Some mouthwash products act like chewing gum that only masks bad breath and replace it with a new and pleasant one. However, mouthwash will help kill germs and bacteria that cause bad breath. Breathing into your hand will not tell if you have bad breath or not. Carrots, apple, cucumber, and parsley contain antioxidants that effectively remove bad breath. They are also effective in cleaning your teeth naturally. And since prevention is proven better than cure, stay away certain foods that can cause bad breath like onion and garlic. 7. Let the dentist fix your problem teeth. It is more often the reason to children since they have habits of sucking objects including blanket that quickly dries the mouth. For adult, dried mouth is often caused by poor saliva production and using mouthwash that contains too much alcohol. Nasal, throat, and mouth infection cause halitosis as well.