Halitosis, or bad breath, results from foul-smelling bacteria in the mouth. Most adults suffer from bad breath at one time or another, though only about 25 percent of the population has bad breath on a regular basis. Most bad breath originates on the back of the tongue due to the breakdown of microorganisms.

Clean your tongue. The tongue also harbors many of the bacteria responsible for bad breath. Brushing your tongue with your toothbrush dipped in a nonalcoholic mouthwash can help dispel the foul odor. You may also ask your dentist to recommend a tongue scraper. Tongue scraping can reduce halitosis by 50 to 60 percent. In some countries, tongue cleaning is a regular, accepted custom. It’s important to clean the far reaches of the tongue, though it may take time to overcome your gagging reflex. See your dentist regularly. In some people, gum disease is associated with bad breath. Although you can help maintain healthy gums through regular home care, only your dentist can treat gum disease.

Mouthwashes. Ask your dentist about rinsing with a nonalcoholic, prescriptive mouthwash that contains chlorhexadine and chlorine dioxide. While alcohol-containing mouthwash can dry out your breath, prescription brands can work for up to three hours. You might also try mixing equal parts hydrogen peroxide with warm water, but don’t swallow!

DOs and DON’Ts

Do see a dentist at least annually or semiannually if you suffer from bad breath. Don’t smoke. Smoking is one of the greatest causes of bad breath. Do chew parsley, mint, cloves or fennel seeds if brushing your teeth after a meal isn’t possible. Do eat fibrous vegetables and chew sugar-free gum if your mouth is dry. Sugarless gum helps produce saliva while loosening food particles from your teeth. Don’t rely on drops, sprays or mints, which only mask the problem. Don’t drink coffee, but do drink plenty of water. Water is the only way to get rid of foods that give off gas internally, such as garlic and onions. Do brush your teeth and gums in a consistent, thorough manner. When brushing, don’t ignore the rear section of your back teeth, where bacteria can harbor. Do gain control of the problem. Don’t let bad breath give you a complex—there are many steps you can take to overcome this problem.