Complaints & connections · borters.ch
Halitosis
Arises almost always in the mouth itself, not the stomach — which is why cleaning the tongue often helps most.
Also known as: halitosis · oral malodour
Open in the tool — with search and all the links →This compilation is for information and replaces neither medical diagnosis nor treatment. If you have symptoms, see a doctor.
Bad breath is unpleasant, but as a rule harmless and manageable. By far the most common source is the mouth itself: bacteria especially at the back of the tongue, dental plaque, a dry mouth or inflamed gums form odour-active compounds. Morning breath on waking is quite normal and clears after brushing. Only rarely does the smell come from the nose/throat, the tonsils or the stomach. Worth knowing: those who worry about it often smell less strongly than feared — and good oral care fixes most of it.
Tongue cleaning, brushing and interdental care do the most.
Drink enough; a dry mouth smells stronger.
Garlic, coffee, alcohol and smoking temporarily worsen the smell.
Professional cleaning and gum checks help prevent it.
Gently scrape the back of the tongue from back to front in the morning with a tongue scraper or the back of a spoon, and clean between the teeth daily.
Gargle with lukewarm water, then gently stroke a moistened cotton bud upwards over the tonsil crypt.
Mouthwash masks for one to two hours; zinc compounds actually bind the sulphur gases and work a little longer. Neither reaches the place: nine out of ten cases arise in the mouth, and most of those on the back of the tongue. A tongue cleaner there lowers the gases measurably. Antibiotics are not the route. If it persists despite mouth care, the search goes further — sinuses, tonsil stones, stomach, sugar.
In about nine out of ten, the smell arises in the mouth itself, usually on the back of the tongue. The bacteria there make sulphur gases; their amount rises during the hours without saliva, hence morning breath. A tongue cleaner lowers the gases measurably within minutes and for some hours. To test your own breath: lick the back of the hand, let it dry for ten seconds and smell it — the nose otherwise adapts.
Bacteria on the tongue, plaque, dry mouth or gums are the main source.
After sleep the breath is drier and stronger — that’s harmless.
Nose/throat, tonsil stones or the stomach are only rarely the cause.
If it persists despite good care → have gums and teeth checked at the dentist.
Nine out of ten cases arise in the mouth itself. A sweet, fruity smell is the exception that belongs clarified at once — it fits a derailed sugar metabolism.
A smell of urine or ammonia fits a strongly reduced kidney function. That too is rare, but important.
A sweetish, musty smell can come from the liver. This value is the simplest way into that question.
Gums that bleed at the lightest touch are among the first signs of a lack. It is rare today but occurs with a very one-sided diet and with alcohol.
Recurring mouth ulcers, a smooth burning tongue and cracked corners of the mouth point to a lack — the mouth often shows this before the blood count does.
The jawbone that holds the teeth undergoes the same building up and breaking down as any other bone. What counts for the hip counts for it.
Saliva is the natural protection of teeth and lining. A dry mouth — from medicines, mouth breathing or drinking too little — raises caries, bad breath and fungal growth all at once.
K12 has been studied specifically for this: lozenges over 1–4 weeks after a cleaning, with fewer odour-forming bacteria on the tongue. The effect lasts while it is taken.
Zinc salts in mouthwash and toothpaste bind the sulphur compounds that make the smell — that is well studied and works from outside. Swallowed, zinc does nothing here.
Where the smell comes from the stomach, Helicobacter is the most common fixable reason. Probiotics accompany its treatment with fewer side effects — they do not replace it.
Clearly worthwhile and well supported when deficient — vegan, older adults, certain drugs. No energy boost without a deficiency.
A sweetish, fruity smell of acetone arises when the body burns fat instead of sugar — harmless on a strict keto diet, a warning sign with type 1 diabetes that belongs heard quickly.
Morning breath arises because barely any saliva flows at night. Everything that makes the mouth drier — mouth breathing, snoring, many medicines, alcohol — strengthens it. Drinking helps more than any spray.
The smell mostly arises on the back of the tongue, where bacteria break down protein. How often one eats counts for more than how much — every snack restarts the process.
Saliva rinses. Drinking little, alcohol, smoking and many medicines dry the mouth — then it smells stronger in the morning. 1.5–2 litres a day and sugar-free gum get the flow going.
Certain oral cultures are studied; cleaning the tongue, however, works more reliably.
Rinses cover briefly; the cause is almost always on the tongue or between the teeth.
It covers up rather than removes — and that is the honest sentence about it. Nine in ten cases arise on the tongue and gums, not in the stomach.
Common as a rinse. More effective than any rinse is the tongue scraper, and that costs two francs once.
TCM assigns bad breath to “Stomach heat”. Nine in ten cases arise on the tongue and gums, though — that is where the treatment that works begins.
A thick coating counts in TCM as a sign of dampness and stagnation. Practically, the same coating is where the smell arises — the tongue scraper meets both explanations.