What can bad breath mean and what can be done?

Teeth and gums: The most common cause of bad breathe is from your mouth. If you have not seen a dentist recently start with an exam and then your teeth cleaned or scaling as recommended. Oral hygiene is essential, good brushing of teeth and tongue and flossing. If gums are healthy bad breathe can be caused by allergies, sinus, gerd, and other GI disorders. See md after dentist.