If you notice that others around you often turn their heads away or back up when speaking to you, that is a likely bad breath symptom. A bad taste in your mouth is another common bad breath symptom. Bad breath is a symptom itself of other potentially more serious medical conditions. Poor oral care habits can also be causes of bad breath, a symptom of infrequent visits to the dentist or infrequent brushing and flossing habits. Bad breath and its symptom can be easily treated with the right oral care products.