What are the causes of bad breath?

Answer by  Amie1084 (181)

Bad breath, or halitosis is a very popular problem for many people. The main reasons for halitosis is tooth decay, gum disease, bacteria on the tongue, sinus infections and acid reflux. Make sure you are brushing your teeth, flossing and even giving your tongue a scrub to help the problem. If this doesn't help, see a doctor.

Answer by  Krissie (551)

Bacteria is a very common cause of bad breath, as are cavities and oral yeast infections. The foods you eat also contribute to how your breath smells. Besides that, there are a lot of serious illnesses that cause bad breath--if brushing and flossing doesn't help, see a doctor.

Answer by  melon (250)

It can be because of foods onions, scallions or garlic. Avoiding them is an option. Or you can brush your teeth more often.

Answer by  monkeyz (3150)

Bad breath could be due to tooth decay. It could also be gastric reflux. There are some other conditions that cause bad breath, such as diabetes and kidney disease.