Throat, nasal, and mouth conditions can also cause bad breath. Canker sores, upper respiratory infections, bronchitis, mononucleosis, tonsillitis, strep throat, nasal discharge, and sinus infection are all associated to bad breath. Skipping meals and severe dieting or fasting Since chewing stimulates the production of saliva, eating helps the mouth to be cleansed normally. A good oral hygiene means brushing your teeth after meal, flossing at least one a day (before you sleep), using oral antiseptic that does not dry your mouth, and visiting a dentist for at least once a year. Drinking plenty of water can reduce bad breath Your mouth contains a good amount of bacteria capable of producing that rotten egg odor out of your mouth. Same thing goes with using dental floss. For most, 30 seconds is enough to brush their teeth. This is definitely not enough since each tooth requires full attention to make sure that they are clean and free from food particles. Thus, it is often recommended to brush your teeth 2 times a day for at least 3 minutes. So much for the alternative methods of checking for bad breath, we now move on to some of the natural remedies that you could use in curing this condition. First step to doing this is to identify the true cause of the smell. From there, you could formulate various remedies that are adapted to your needs. Meanwhile, people who practice mouth breathing could get rid of bad breath if they refrain from doing so. Mouth breathing or xerostomia promotes the optimized environment for anaerobic bacteria due to the factor that it encourages the drying of the mouth. With relative dryness, these anaerobic bacteria would be able to reproduce more due to the absence of oxygen. Parsley Nothing beats the power of nature but it is somehow neglected with availability of mints and gums. Chew fresh parsley and you will be relieved of bad breath. Now, you don t have to wonder why restaurants offer it on your plate. Crunchy fruits and Vegetables Speaking of the power of nature, there are several fruits and vegetables that naturally cleanse the mouth.