What should I do about a bitter taste in the mouth and bad breath?

To address the issue of a bitter taste and bad breath in the mouth, the following measures can be taken for improvement: 1. Oral hygiene: Maintaining good oral hygiene is essential. Brush your teeth twice daily, in the morning and evening, using toothpaste with good cleansing properties. Rinse your mouth promptly after meals to avoid food residue remaining in the mouth. 2. Dietary adjustment: Pay attention to adjusting eating habits. Avoid excessive consumption of irritating, spicy, and greasy foods. Consume more bland foods, such as fruits and vegetables, which can help improve the oral environment. 3. Treatment of underlying conditions: If a bitter taste and bad breath are caused by specific medical conditions, such as oral ulcers, dental caries, or gastroesophageal reflux disease (GERD), seek timely medical attention and follow the doctor's recommendations for targeted treatment. 4. Lifestyle habits: Maintain healthy lifestyle habits. Avoid staying up late and overexertion, ensure adequate sleep, and engage in appropriate physical exercise, which can help enhance immune function and improve oral health. By implementing the above measures, the problem of a bitter taste and bad breath can be effectively alleviated, thereby improving overall oral health.