Halitosis (bad breath), is the unpleasant smell of exhaled air. It’s causes can be local or systemic.

Common causes of halitosis include: dry mouth, periodontal infections, throat infections, dirty tongue, unclean dentures, renal failure and diabetes.
Good oral care, regular dental and dental hygiene visits, stopping smoking, and avoiding certain foods can prevent most cases of bad breath. Remember to brush your tongue.