Say Goodbye to Bad Breath with 5 Highly Effective Home Remedies Bad breath, also known as halitosis, is a common condition characterized by an unpleasant odor originating from the mouth. It can be caused by various factors, including poor oral hygiene, certain foods and drinks, tobacco use, dry mouth, medical conditions, and lifestyle habits. Bad breath can be embarrassing and affect one's self-confidence in social interactions. Natural Home Remedies to Remove Bad Breath If you are facing some common causes of bad breath or you have such symptoms, then it is important their respective solutions. Here are some tips to remove bad breath. Saltwater Rinse: Gargling with a saltwater solution can help kill bacteria and neutralize odors in the mouth. Mix half a teaspoon of salt in a glass of warm water, swish it around your mouth, and then spit it out.