In halitosis called Para physiological discomfort is temporary and can be accurately attributed to certain factors: consumption of food alitogeni known as garlic, onion and some spices, alcohol consumption (including that contained in some medications), drugs that include alitogene release of substances in the blood stream and then exhaled air of drugs that reduces the amount of saliva available for the function of autodetersione inside the mouth promote bacterial multiplication during prolonged fasting, the morning awakening (breath awakening from bad).