Bad breath can result from a dry mouth or the foods and drinks you consume. But gum disease and gingivitis can also contribute to the annoying recurrence of bad breath.

Beyond your teeth and gums, bad breath that persists can result from certain underlying health problems that require immediate medical attention. These conditions include:

• Sinus infections

• Chronic lung infection

• Liver or kidney disease

• Gastrointestinal problems

• Diabetes

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