If the bad breath is caused by damp heat in the spleen and stomach, you can take Huo Xiang Qing Stomach Capsules, which can usually be effective in about 10 days. Huo Xiang Qing Stomach Capsule is a proprietary Chinese medicine, mainly composed of patchouli, gardenia, gypsum, etc., can play a role in clearing heat and dampness, for bad breath caused by damp heat in the stomach has a good effect. However, before using this medicine is still recommended by a professional doctor’s consultation and then dialectical treatment, generally in about 10 days after the correct use of the drug can be effective. As a matter of fact, there are many clinical factors that lead to bad breath, most of which are oral diseases, such as dental caries, root stumps, gingivitis, periodontitis and so on. These diseases can easily lead to the retention of food residues and bacterial fermentation to produce hydrogen sulfide and ammonia, thus producing bad breath, which should be promptly extracted and repaired for carious teeth and root remnants, and systematic oral treatment. In addition, purulent tonsillitis and maxillary sinusitis will produce purulent secretion, which will also lead to bad breath. The main medical diseases that can cause bad breath are Helicobacter pylori infection, gastritis, peptic ulcer, pyloric obstruction, ketoacidosis, etc. These diseases need to be treated systematically for the cause before bad breath can be improved. In short, after the appearance of bad breath is recommended to develop good living and eating habits, and pay attention to maintain oral hygiene, such as can not be alleviated, it is recommended to go to the hospital gastroenterology department to seek medical attention to clarify the specific causes, and then targeted treatment.