Bad breath, also known as halitosis, is a very common temporary condition caused by such things as oral dryness, stress, hunger (ketosis), eating certain foods such as garlic and onions, smoking, or poor oral hygiene. Bad breath is caused by odor-producing bacteria that grow in the mouth. When people don’t brush and floss regularly, bacteria accumulate on the bits of food left in the mouth and between the teeth. The sulfur compounds released by these bacteria make the breath smell. Home Remedies For Bad Breath How to Cure Bad Breath with Natural Treatments Chew peppermint or carnation for better breath smell. Swallow one tablespoon of apple cider vinegar before each meal. To lose the bad breath eat pumpkin daily Brush your teeth with baking soda. Blanch parsley and drink several times a day to help bad breath. Drink chamomile tea Lose the bad breath: blanch Thyme-Leaved Savory and gurgle. Gurgle salty water.