Doctors cannot reach agreement about the origin of bad breath. Some argue that occurs before certain dysfunctions stomach,- others, however, ensure that its origin is in bacteria housed in the language. Recent research argue that the nervous tension worsens the halitosis, because determines that the mouth dry, preventing the saliva rinse the area and act as a natural antibiotic.

The key for the treatment is a good oral hygiene. The use of mouthwashes or oxygenated water mixed with water in proportion 50/50 helps remove food particles and to neutralize the smell. A regular assessment by a dentist helps prevent, identify and treat potential problems. The use of vitamin C can be of benefit especially those smoking patients. The deficiency of vitamin C worsens the halitosis.