Halitosis, or bad breath, can be caused by many things. Poor dental hygiene and dry mouth are the most typical causes. Failure to brush or floss will cause bacteria to thrive in your mouth. This will result in bad breath. A dry mouth provides a conducive environment for bacteria to grow. This can also lead to bad breath.
Apart from poor oral health and dry mouth, foods like garlic and onion can also result in bad breath. These types of foods contain some type of oils that remain in your mouth after brushing. Additionally, smoking, drinking, and chewing tobacco also cause bad breath.
Bad breath can sometimes be caused by other ailments. Liver illness and diabetes can change the smell of your breath.