As an alternative to commercial toothpaste, you can use more effective and less expensive toothpaste you can easily make. Just mix 3 parts baking soda with 1 part salt; put it on your toothbrush and brush your teeth like you normally do. Soon, you have a whiter teeth and fresher breath. 3. Use dental floss. Nasal infection or colds can force someone to breathe through his mouth which quickly dries the mouth and cause bacteria to breed. Internal organ failures can manifest themselves through bad breath. Thus halitosis can be a sign of serious health problem. How bad breath is treated? Since most of the time bad breath or halitosis starts from the mouth, it is treated through the mouth. Smoking tobacco also causes some diseases known to characterize themselves by developing bad breath. Such diseases include kidney failure, liver failure, and lung infection. To quit smoking means lessening the chances of developing any of these diseases as well as bad breath. 9. Formulate your own toothpaste. Additionally, once the mouth area is deprived of the necessary circulation of oxygen, the pH level is likely to be altered, thus creating an effect of producing an environment that is conducive for the increase of anaerobic bacteria. Even with hosts of products that offer effective means for combating xerostomia or mouth drying, there is still too few that live up to their claims. Several spices such as garlic and onion contain pungent oil that when digested, is mixed through the bloodstream and expelled by the lungs and through the mouth creating nasty-smelling breath. Using alcohol-based mouthwash often bring bad result than good. Since alcohol causes the mouth to try, and bacteria thrives on try mouth, VSCs can easily breed and cause chronic bad breath. And if you are one of them, then you should stop it right now. Piercing your tongue can provide more venues for bacteria to harbor in your tongue. It causes bad breath far worse than before. What should I do? Having said these, the first thing you should do is to stop any malpractice and do the right thing.