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Dental Blog

Posted by: Posted on June 4th, 2026
Posted in Dental Tips

Do You Know What Causes Bad Breath?

causes-of-bad-breath

Halitosis, commonly known as bad breath, affects about one in four people in the United States. While occasional bad breath is normal, chronic halitosis may indicate an underlying issue that needs attention.

Bacteria in the Mouth

One of the most common causes of bad breath is bacterial growth. Certain bacteria naturally live in the mouth and produce unpleasant odors as they break down food particles and other debris.

Many people find that brushing their tongue helps reduce bad breath. Since bacteria can accumulate on the tongue’s surface, regular tongue cleaning can help remove odor-causing microbes and improve breath freshness.

Foods That Can Cause Bad Breath

Diet also plays a significant role in breath odor. Garlic and onions are among the most well-known causes of bad breath because their compounds can linger in the body long after eating.

In addition, diets that lack vegetables may contribute to unpleasant breath. Eating a balanced diet and staying hydrated can help support better oral health and fresher breath.

Dry Mouth and Smoking

Saliva helps wash away bacteria, dead cells, and food particles throughout the day. When the mouth becomes dry, these materials can accumulate and produce unpleasant odors.

Smoking can make the problem even worse. Tobacco products not only leave behind their own odor but also dry out the mouth, creating an environment where bad-breath-causing bacteria can thrive.

Medical Conditions Linked to Bad Breath

In some cases, bad breath may be related to an underlying medical condition. People with diabetes, kidney failure, liver failure, or certain lung infections may experience halitosis as a symptom of their disease.

Because of this, persistent bad breath should not always be dismissed as a minor inconvenience.

When to See a Dentist

If you struggle with chronic bad breath despite maintaining good oral hygiene, a dental evaluation with our team at Epic Dental in Norwood, MA may help identify the cause. Contact our office today to schedule an appointment and learn more about the steps you can take to improve your oral health and freshen your breath.

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Disclaimer

The information presented here is not intended or implied to be medical advice, diagnosis, or treatment. It should be used for informational purposes only.