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Bad Breath Begins with Poor Digestion

05 July 2024

5 minute read

Bad Breath Begins with Poor Digestion

At first glance, the topics of digestion and bad breath may not seem inherently connected. One pertains to the process by which our bodies break down food and absorb nutrients, while the other often conjures images of embarrassment and social discomfort. Yet, they share a surprising relationship that many overlook.

Bad breath, or halitosis, can be dismissed as a mere nuisance. However, it also serves as a red flag for health concerns. Understanding the connection between these two can empower you to take control of your gut health and breathe a little easier.

The connection between breath and belly

Digestion and bad breath are intricately linked. “The digestive process begins in the mouth, where enzymes in saliva start breaking down food particles. It continues at the stomach, whereby food is further broken down into smaller particles and then into the small intestine,” explains Consultant General and Colorectal Surgeon from Columbia Asia Hospital – Bukit Jalil, Dr. Ruhi Fadzlyana Jailani.

“In the small intestine, nutrients are absorbed into the bloodstream, while undigested fibers pass into the large intestine and are expelled as feces. If digestion is compromised at any stage, it can lead to an imbalance of bacteria in the gut and oral cavity, hence resulting in foul-smelling breath,” Dr. Ruhi elaborates further.

When bad breath points to digestive problems

Bad breath can be a warning sign of underlying digestive issues. When the digestive system is not functioning optimally, it can lead to conditions such as acid reflux, constipation, or intestinal bacterial overgrowth, all of which can contribute to halitosis.

Signs that bad breath may be related to digestive problems include persistent foul odor despite good oral hygiene, accompanying symptoms such as bloating or stomach.

discomfort, and a history of digestive issues ranging from constipation to loose stools or alternating bowel habits.

According to Dr. Ruhi, some of the more common digestive problems associated with bad breath include:

  1. Acid reflux (GERD): A condition characterized by the backflow of stomach acid into the esophagus, causing discomfort and irritation.

  2. Achalasia: A condition of a stricture at the lower end of the esophagus leading to food not being able to pass into the stomach.

  3. Esophageal or gastric cancer.

  4. Gastroparesis: A condition characterized by delayed emptying of stomach that can result from various medical issues, including diabetes, Parkinson’s disease, or other neurological problems.

  5. Difficulty digesting certain foods, such as garlic or onions.

“If you suspect your bad breath is related to a digestive problem, it is crucial to consult a healthcare professional. They can evaluate your symptoms, perform diagnostic tests if necessary, and recommend appropriate treatment,” advises Dr Ruhi.

Factors affecting digestion and bad breath

“Dehydration can impair digestion by reducing saliva production, leading to a dry mouth and a buildup of odor-causing bacteria. In a hydrated state, saliva helps to cleanse the mouth of bacteria and food debris, preventing the accumulation of odor-causing compounds,” says Dr. Ruhi.

However, when you are dehydrated and produce less saliva, bacteria multiply quickly on your tongue, gums, and teeth. These bacteria break down food particles and release volatile sulfur compounds (VSCs) like hydrogen sulfide and methyl mercaptan, which cause the unpleasant smell of bad breath.

“When it comes to smoking, its detrimental effects on digestion are notable,” Dr. Ruhi points out. “Smoking weakens the lower esophageal sphincter, which can lead to acid reflux. It also reduces saliva production, which often results in unpleasant breath.”

Dr. Ruhi also adds that certain dietary habits, such as overindulging in sugary or processed foods, can disrupt gut flora and contribute to bad breath. Additionally, eating foods known to cause gas or bloating can exacerbate digestive issues and halitosis.

End notes: Achieving digestive and oral health

Understanding the correlation between digestion and bad breath is crucial for effectively addressing halitosis. By recognizing the signs of digestive-related bad breath, making lifestyle adjustments, and seeking appropriate medical care, individuals can improve both their digestive health and breath odor.

Remember, maintaining a healthy digestive system not only benefits your overall well-being but also ensures fresh breath and confidence in social interactions.

5 steps to simultaneously address digestive problems and bad breath

  1. Maintain a balanced diet
  2. Prioritize a balanced diet comprising ample fiber, fruits, and vegetables. Fiber aids in digestion and promotes regular bowel movements, while the vitamins and minerals in fruits and vegetables support overall digestive health.

  3. Ensure adequate hydration
  4. Ensure you stay hydrated by consuming plenty of water throughout the day. Proper hydration supports saliva production, which is essential for maintaining oral health and facilitating smooth digestion.

  5. Practice good oral hygiene
  6. Establish a comprehensive oral hygiene routine, including regular brushing of teeth and tongue, flossing to remove food particles between teeth, and using antimicrobial mouthwash to reduce bacteria in the mouth.

  7. Manage stress
  8. Chronic stress can disrupt digestive processes and contribute to gastrointestinal discomfort and bad breath. Engage in activities that promote relaxation and mental well-being, such as spending time outdoors, pursuing hobbies, or socializing with friends and family.

  9. Seek professional guidance
  10. Consult with a healthcare professional for personalized advice and treatment options tailored to your specific needs. Be proactive in addressing any persistent digestive issues or oral health concerns by seeking timely medical evaluation and intervention.

This article first appeared in New Straits Times, 05 July 2024

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05 July 2024

5 minute read

Bad Breath Begins with Poor Digestion

Dr. Ruhi Fadzlyana Binti Jailani

General Surgery And Colorectal Surgery

Learn more about General Surgery And Colorectal Surgery in Columbia Asia

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