What causes bad breath?

What causes bad breath?

What causes bad breath?

What causes bad breath?

Bad breath — also known as halitosis — is caused by sulphur-producing bacteria in the tongue and throat.
If you’re wondering what causes bad breath, the answer is simple: dry mouth, smoking, poor hygiene, or a coated tongue.

In this article, we explore each of the causes of constant bad breath and encourage you to reach out and book an appointment with our team.

Poor oral hygiene

Not having a good oral care regime at home can easily lead to bad breath.

A good care plan will include brushing twice a day, flossing or using interdental brushes once a day, and if required, scraping the tongue.


Dental disease

There are two types of dental disease — dental decay and periodontitis. Both affect the gums and bone supporting the teeth. If either of these diseases is present in the mouth, constant bad breath can be present.


Dry mouth

A common side effect of many medications is dry mouth. With reduced saliva to clean and lubricate the mouth, food and debris hang around the mouth, leading to constant  bad breath.



Smoking dries the mouth due to the chemicals from the smoke, ultimately sticking to the teeth and gums. These chemicals stick around in the mouth, causing bad breath.


What do I do if I have constant bad breath?

Now that you know what causes halitosis and why, we recommend booking a check-up with our dental team so we can review your oral health and advise of treatment options. There are many different treatment options depending on the cause of the halitosis.


Now you know what causes bad breath, book an appointment with our team for a fast, effective solution.

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