by Malavi Sivakanesan • 6 January 2025 • 5 min read
A healthy smile speaks volumes without saying a word, but bad breath can quickly overshadow that message. Bad breath is common but can sometimes escalate into a more persistent and chronic issue known as Halitosis.
And if you’ve found yourself asking, “Why does my breath always smell bad?” or “What causes bad breath even after brushing?” this article is for you. It covers the common symptoms of bad breath, its underlying health conditions, and what to do for bad breath.
So, read on to take the first step towards a cleaner and fresher breath!
What is Bad Breath?
Bad breath, or halitosis, occurs when foul-smelling gases from bacteria on the teeth, gums, and tongue cause an unpleasant odour. A survey of over 2,000 participants revealed that halitosis is Britain’s third most unpleasant smell, with over 25% regularly affected.
Decaying food particles, poor hygiene, and health issues like dry mouth and smoking contribute to the odour, which 50% of people are worried about, especially when it is worsened by pungent foods like garlic and onions.
Common Symptoms of Bad Breath
Persistent unpleasant odour when exhaling is a key symptom of bad breath. If you notice a consistent bad taste or smell that doesn’t improve with brushing or mouthwash, it could indicate an underlying issue requiring professional evaluation.
Dry Mouth
Another common symptom of bad breath is dry mouth, where the lack of saliva allows bacteria to thrive, leading to a persistent foul odour. This dryness can manifest as a coated tongue or white spots on the tonsils, indicating reduced oral cleansing, which may result in halitosis.
Gum Disease
Gum disease can present as a symptom of bad breath. Inflammation of the gums, known as gingivitis, may cause bleeding, swelling, and redness. This condition results from plaque buildup on the teeth, creating an environment where bad breath can develop.
Plaque or Tartar Buildup
When food particles mix with saliva and bacteria, a sticky film called plaque forms on the teeth. If not removed through proper brushing and flossing, plaque hardens into tartar, which can only be removed by professional dental cleaning. The bacteria growing in plaque and tartar release sulfur compounds and other byproducts, which contribute to unpleasant odours.
Underlying Health Conditions Linked to Bad Breath
Certain health conditions can also be bad breath causes, highlighting the importance of addressing underlying medical issues. They are as follows
Sinus Infections
Bad breath might be a sign of a sinus infection. The bacteria that cause the infection can drain into the throat, leading to an unpleasant odour. The post-nasal drip from the sinuses may contribute to this foul smell, mainly when it accumulates in the back of the throat.
Diabetes
For individuals with diabetes, bad breath may be linked to high blood sugar levels, which can lead to a condition called diabetic ketoacidosis. In severe cases, this can result in a distinct fruity odour on the breath due to the buildup of ketones in the body.
Tonsil Stones
Tonsil problems, such as tonsil stones or infections, can cause bad breath by harbouring bacteria and food debris. These conditions also cause other symptoms, such as white patches or pus on the tonsils. General dentistry suggests that addressing tonsil-related problems through regular check-ups can help reduce bad breath.
Liver and Kidney Diseases
When functioning correctly, the liver and kidneys filter toxins from the body. However, in individuals with liver or kidney disease, these toxins accumulate, leading to halitosis.
What to do for Bad Breath?
Managing bad breath involves taking the following key steps to maintain oral health and freshness
Maintain Good Oral Hygiene
Brushing your teeth, gums, and tongue twice a day is the first step in bad breath treatment. You should also floss daily and use fluoride toothpaste to remove food particles and reduce bacteria in your mouth. Moreover, making lifestyle changes and scheduling regular checkups with a dental hygienist can significantly improve your oral health and prevent bad breath.
Stay Hydrated
Staying hydrated by drinking water throughout the day helps combat dry mouth, a major contributor to bad breath. A dry mouth doesn’t have enough saliva to wash away bacteria, leading to an unpleasant odour.
Use Mouthwash
An antibacterial mouthwash is an effective tool for combating bad breath by eliminating odour-causing bacteria in the mouth. It reaches areas that brushing and flossing might miss, such as the back of the tongue and between teeth. Choose a mouthwash specifically designed to target bad breath for lasting freshness and improved oral hygiene.
Avoid Tobacco, Alcohol, and Caffeine
Avoiding tobacco, alcohol, and caffeine is important for maintaining oral health. These substances can dry out the mouth, creating an environment where bacteria thrive, leading to bad breath. Reducing or eliminating their consumption helps preserve moisture in the mouth, promoting better hydration and fresher, more pleasant breath.
When to See a Dentist?
A bad breath episode every now and then is normal and can happen to anyone, especially after consuming certain foods. However, if it becomes persistent and doesn’t go away despite maintaining good oral hygiene, it may indicate a more significant underlying issue.
If bad breath lingers despite brushing, flossing, staying hydrated, and using antibacterial mouthwash, it’s time to consult a dental professional. A dentist can perform a thorough oral examination, identify potential causes such as gum disease, cavities, or plaque buildup, and recommend tailored treatments.
In certain instances, bad breath can be a sign of underlying systemic health conditions. If this is suspected, your dentist may refer you to a medical specialist for a more comprehensive evaluation.
If you’re looking for a reliable dental clinic to address your concerns, contact us for unmatched quality care across an extensive array of dental services—all at an affordable price.
Malavi Sivakanesan
Malavi Sivakanesan is the principal dentist and co-founder at Complete Smiles in Harrow, Greater London. She is responsible for establishing the Complete Smiles brand throughout the United Kingdom and Europe and has 5 successful practices under her strong leadership.