Halitosis or bad breath is not just an oral hygiene issue. It can also be a signal of a serious health problem, such as liver disease, kidney failure, chronic acid reflux, h pylori infection, and more. It can also be caused by the foods that you eat, including these foods.
1. Alcoholic beverages.
Beer, wine, and hard liquor can cause the worst form of dry mouth, as it can inhibit the flow of saliva and oxygen in the mouth, which triggers halitosis.