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Everybody 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 breath.
Bad breath caused by a decrease in saliva may be especially noticeable:
Other causes of bad or changed breath include:
Mouth and throat problems that can cause mouth odor include:
Problems in other areas of the body that can cause mouth odor include:
To help improve your breath:
Last Revised: July 20, 2012
Author: Healthwise Staff
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & David Messenger, MD
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