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Stomach halitosis: causes and treatment

by Alivia Nyhan
Published: Last Updated on

Halitosis, or bad breath, is usually associated with poor oral hygiene or certain foods or substances (alcohol or tobacco, among others) that can cause foul odors. And although it may be so, the truth is that many other causes can cause it. It can be due to a disease such as diabetes or liver or kidney problems, but stomach halitosis also originates in this part of the body. An illness or infection in the stomach or certain bacteria can cause halitosis. And not only severe conditions but also some very common that we can suffer from on a day-to-day basis. This FastlyHealarticle tells you the causes and treatment for stomach halitosis.

Causes of stomach halitosis

Some of the stomach ailments or conditions that can cause halitosis are:


When bacteria cause ulcers, they can cause bad breath. The leading cause of bad breath is the bacteria that cause this terrible smell, so if your stomach has had a bacterial infection that has caused ulcers, halitosis is due to this.

One of the best known is Helicobacter Pylori ( H. pylori ) which causes a common stomach ulcer. In addition to the fact that this bacterium has a bad smell in itself, in a study carried out with patients who carried this bacterium, it was discovered that some of them were also carriers of Prevotella intermedia, another bacterium, in this case periodontal (of one of the ligaments that join the teeth). However, not all patients carried both, but all did have the bacteria Helicobacter pylori and halitosis.

Antibiotics can help remedy this condition in a way that kills the bacteria that is causing the problem.

Reflux disease

Gastroesophageal reflux or GERD is a condition in which stomach acid returns to the esophagus. It is what we commonly know as reflux, heartburn, or heartburn. One of the symptoms that reflux can cause is bad breath. In addition, acid can cause dental erosion, weaken teeth, or even damage the mouth and throat areas, causing certain oral bacteria that cause halitosis to form.

Skip some food

Believe it or not, not eating the necessary meals each day can cause stomach halitosis. When the stomach has not received food for a while, it can send the acids it usually uses for digestion down the throat, causing bad breath.

Bacterial imbalance

As we have seen, the leading cause of halitosis is bacteria. Our stomach has a balance of good and bad bacteria. When they become unbalanced, and the bad ones prevail over the good ones (either because they have stayed in the stomach or because more have been produced), they can cause halitosis.

Difficult to digest foods

Some foods are more difficult to digest than others, and this causes those that have not been easily digested to go to the liver and spoil, leading to halitosis. Also, these less digestive foods can increase the production of stomach acids that could also resurface and cause bad breath.

When stomach bacteria cause halitosis, they can sometimes cause nausea or even vomiting. If you have halitosis and you think the cause is the stomach, visit your doctor so he can offer you the best treatment.

Treatment for lousy stomach breath

Since stomach halitosis is caused mainly by bacteria, the most common is that the treatment is based on antibiotics. The antibiotics kill the bacteria or bacteria causing the problem, and in this way, the halitosis will disappear. Always follow the doctor’s instructions and do not stop taking antibiotics early, even if you think you have improved.

When it is due to a bacterial imbalance, probiotics can also be used to improve the bacterial flora of the stomach. There are probiotic pills that you can take daily or eat yogurts, as they also contain probiotics that will help you balance stomach bacteria again.

However, besides the drugs used to treat stomach halitosis, we can also find other ways to solve stomach halitosis, such as staying hydrated temporarilyHydration is essential for digestion to work properly. In addition, not hydrating can lead to dry mouth, which, along with stomach bacteria, could increase mouth odor.

Home remedies for bad stomach breath

And in case you want to cover that lousy mouth odor until you treat it, you can resort to these home remedies for stomach halitosis:

  • The parsley is perfect for these cases. Chewing on a sprig of parsley in the morning will cover up that bad smell from bacteria. However, it is a temporary remedy, and halitosis will return, so it is better to go to the doctor.
  • It is widespread to use sticks with fennel, anise, and cardamom in India. They are usually chewed after meals to avoid bad breath from the stomach.
  • And finally, a well-known remedy is chlorophyll. This plant that is found in many types of mouthwash or toothpaste helps to keep breath fresh and cover the lousy odor. Use any product that contains chlorophyll or, better yet, chew on a sprig of natural chlorophyll, and you will see how halitosis disappears at times.

In the following article, you can see other home remedies to combat bad breath.

This article is merely informative, at FastlyHeal .com we do not have the power to prescribe medical treatments or make any type of diagnosis. We invite you to see a doctor in the case of presenting any type of condition or discomfort.

If you want to read more articles similar to Stomach Halitosis: causes and treatment , we recommend that you enter our Digestive System category .

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