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has bad breath from time to time, especially first thing in the morning. You
also may have bad breath when you are hungry, when you are dieting, or after
eating foods with a strong odor, such as garlic, onions, or pastrami.
Many things can cause bad
breath. A major cause is decreased
saliva. Saliva has a cleaning action that helps reduce
or eliminate bad breath. When saliva decreases, bacteria can grow, causing bad
Bad breath caused by a decrease in saliva may be
Other causes of bad or changed breath include:
Mouth and throat problems that can cause mouth odor
Problems in other areas of the body that can cause mouth
To help improve your
Current as of:
July 20, 2012
William H. Blahd, Jr., MD, FACEP - Emergency Medicine
& David Messenger, MD
How this information was developed to help you make better health decisions.
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