The common name and scientific name of the diseases:

Halitosis is the scientific name, Bad breath is the common name.

What Causes it? How is it transmitted?

Halitosis could be caused by:
Eating certain food, such as garlic, onions, meat, fish and cheese.


Bacteria in your mouth, on your tongue.

When protein breakdown into Amino Acid, during this process some gases that smell would be produced.

The nose also has odour, it is different to the mouth odour but when it is breathed out, it smells too.

Cardia between your the stomach and esophagus, may not close properly, and the acid goes in the esophagus and gases escape through the mouth.

Gum disease

And diseases like:
Fetor hepaticus, caused by chronic liver failure.
Lower respiratory tract infections (bronchial and lung infections).

Renal infections and renal failure.
Trimethylaminuria ("fish odor syndrome").
Metabolic dysfunction.

Halitosis can’t be transmitted, but some diseases that can cause it can be infectious.

What are the symptoms? How long do they last? Is it deadly?

The symptoms of the disease is odour from the mouse or nose, it usually lasts only for a morning or a day, it is easy to take the odour away by using some mouthwashes or eating. The symptom is not deadly, it is only smell form your mouth or nose, that could be taken way easily, if we clean or mouth or nose frequently with appropriate ways, like mouth washes.

Can it be cured? If so, how? If not, is there any way that we can at least treat it?

Halitosis could be easily cured by gargling rightbefore going to bed, eating a healthy breakfast, gently cleaning the top surface or your tongue or chewing a gum.

Halitosis is a disease easily to be cured, and it is so common that it affect 25% of the world’s population.


Halitosis. (2009). Wikipedia. Retrieved (2010, September 5) from http://en.wikipedia.org/wiki/Halitosis