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Find out what causes bad breath, and how to prevent the embarrassment of halitosis.

Do You Have Bad Breath?

Bad breath is often caused by a buildup of bacteria in your mouth that causes inflammation and gives off noxious odors or gases that smell like sulfur — or worse.

Everybody has nasty breath at some point, like when you get out of bed in the morning.

Not sure if your breath is bad? The best way to find out is to ask a trusted friend or your significant other, “‘Does my breath smell?’ Because it’s really hard to tell on your own,” Tina Frangella, DDS, a dentist with Frangella Dental in New York, tells WebMD.

There’s another way to know. It may seem a bit gross, but look at and smell your dental floss after you use it.

“If your floss smells or there is blood on it, then there are foul odors in your mouth,” Woodall says.

What Causes Bad Breath?

There are no statistics on what percentage of the population has bad breath. That’s because studies usually rely on someone reporting whether or not they think they have bad breath and may not be accurate.

But studies show that about 80% of bad breath comes from an oral source. For instance, cavities or gum disease can lead to bad breath, as can tonsils that have trapped food particles; cracked fillings, and less-than-clean dentures.

Several internal medical conditions also can cause your breath to go downhill fast. They include diabetes, liver disease, respiratory tract infections, and chronic bronchitis. You’ll want to see your doctor to rule out things like acid reflux, postnasal drip, and other causes of chronic dry mouth (xerostomia).

Woodall recalls a 30-year-old patient who had chronic bad breath, though her teeth were “immaculate” and her tongue was very clean. Her doctor tested her for acid reflux and other stomach conditions, “gave her some medicine, and her bad breath went away,” Woodall says.

via Find out what causes bad breath, and how to prevent the embarrassment of halitosis..