primary cause of bad breath is the bacteria that build up on the back of your tongue or between your teeth.
Causes of bad breath
eating odorous foods, e.g., onions and garlic cause a bad breath.
dry mouth, bacteria grows and begins to stink.
Constipation and an upset stomach
Cures for bad breath:
Brush twice in a day, use tongue cleaner.
After eating a meal, swish water around your mouth for 10-30 seconds.
Drink adequate amount of water thru the day.
Gargle with salt water (1 table spoon in a glass of water) 2-3 times in a day.
Pinch of baking soda in your toothpaste
Drink a cup of black tea (without sugar), this helps in removing mouth bacteria.