When it comes to bad breath, you may think of strong smell of food you eat or tooth decay, but did you know that bad breath may not come from your mouth but from your stomach? As a matter of fact, bad breath from stomach can be more complicated than a typical bad breath, but being aware of the different aspects of stomach related halitosis can help you identify if it is a common bad breath or something more severe. Following are some of the ways stomach can cause bad breath and what to do about it.

Causes of Bad Breath from the Stomach


Stomach Disease

Helicobacter Pylori is a common cause of bad breath from your stomach. Frequently, they are found in the mouth but sometimes they can be found in the stomach. Infection by these bacteria can lead to gastritis, duodenum ulcers, stomach ulcers, gastric cancers, acid refluxes, dyspepsia and bowel disorders. Any of these diseases can cause bad breath.


Imbalance of Bacteria in Gut

Another cause of bad breath from stomach is the increase of unhealthy and harmful bacteria in stomach, leading to poor digestion which will cause acid reflux and overgrowth of yeast causing fermentation. Fermentation byproduct can result in bad breath.


Low Hydrochloric Acid in the Stomach

Lack of hydrochloric acid can result in poor digestion. Undigested food pieces will finally flow into the intestine in which they can become rancid and release bad gas. Furthermore, irreguar bowel movement will cause the undigested foods to putrefy, releasing smelling gas.


Intestinal Parasites

Intestinal parasites can also be one of the causes of bad breath. As we have mentioned before, bad breath from the stomach could be a reason of poorly digestive food or it could be a severe case like underlying gastrointestinal disease, such as liver or kidney disease and stomach cancer. Therefore it is very important to consult a specialist about the exact cause of bad breath.


Acid Reflux

Acid reflux is the most common cause of bad breath from your stomach. The main cause of acid reflux is an impaired valve, which fails to form a barrier between your esophagus and your stomach causing the backward flow of stomach contents with stomach acids, bacteria and digestive enzymes to your throat, mouth and oral cavity, which causes smelling odor when breathing.

Treatment Options for Eliminating Bad Breath Fast


Determine Its Cause

The key to deal with bad breath from stomach is to determine its exact cause. If you are sensitive to certain foods, your bad breath may be due to stomach acid. Or if you find that the smelling odor is exceptionally ammonia-like, you may be experiencing a kidney infection or chronic disease. Tell your doctor about your conditions, so he can find out the real cause and come up with a treatment. Once you find out the reasons of bad breath, you can consider other treatment options to reduce bad breath.


Consume Probiotics and Fermented Food

Probiotics can help you digest foods better, repopulate your gut with a healthy flora and curb yeast and other trouble-makers. Fermented foods, such as kimchi, kefir and sauerkraut, contain lots of delicious and healthy bacteria, which can help you have a better digestion.


Eat Fiber-Rich Foods

High fiber foods can be beneficial to the detox process and digestive system. By removing the toxins when they get processed by the body, high fiber foods can help you reduce bad breath.


Try Warming Herbs

Fortunately, there are some spices and herbs that you can use daily to help cure the problem of bad breath from stomach, such as ginger, turmeric, fennel, and black pepper. Cloves are a natural anti bacterial and chewing them can help fight against foul breath.


Digestive Enzymes

Poor digestion can cause bad breath. Try taking digestive enzymes with your meals to help your body digest foods better.


Stay Hydrated

Staying hydrated will keep your mouth from getting dry. Green tea is also a good source of antioxidants that can prevent the growth of bacteria in the mouth.



Parsley can be used effectively to treat bad breath. It contains mild antiseptic-chlorophyll that kills the bacteria inside the mouth and its leaves can help in dealing with indigestion and gastric issues.


Avocados – Fruit Remedy

When it comes to bad breath from your stomach, avocados works as one of the best treatments as it kills the bacteria in your stomach and corrects the gastric decomposition, reducing the bad breath.


Consume Juices

Drinking juices of fruits and vegetables, such as, cucumber and celery, can help a lot in treating halitosis problem.


Sunflower Seed

After your meals, munching sunflower seeds with a glass of water can also relieve your bad breath naturally.


Use Baking Soda

Baking soda is a fantastic remedy for reducing bad breath. It can balance the pH level in the mouth and prevent the growth of bacteria. You can brush your tongue by dipping a wet toothbrush with baking soda. 


Oil Pulling – An Ayurvedic Technique

Oil pulling is known as an Ayurvedic techbique, which can help pull out toxins and remove any dead cells that are formed over the night. Oil pulling is best done in the morning, before eating or drinking anything:

  • Put 1-2 tbsp. of oil in your mouth.

  • Swish the oil around your mouth for about 15-20 minutes.

  • Spit it out.

  • Rinse your mouth with salt water to get rid of any remaining toxins in mouth.


Tongue Scraper

Tongue scraper, a handy tool which can be found in most drug stores, helps remove the white coating on the tongue where bacteria can linger and eliminate bad breath.


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