What is the cause of frequent bad breath?

The main causes of frequent fart halitosis are digestive system problems, dietary factors, oral diseases, etc. 1. Digestive system problems When gastrointestinal dysfunction or indigestion exists, food cannot be fully digested and absorbed, abnormal fermentation in the intestinal tract produces a large amount of gas, resulting in increased fart, and undigested food residues may also produce odor, which may cause halitosis. For example, suffering from chronic gastritis, gastric ulcer and other stomach diseases, or colitis and other intestinal diseases, this may occur. 2. Dietary factors If you ingest too much food that is easy to produce gas, such as beans, onions, garlic, radish, etc., it will lead to frequent farting. And some foods with strong odors, such as garlic, onions, etc., may also cause oral odor after eating. In addition, overeating, excessive drinking and other bad eating habits will also increase the burden on the digestive system, causing similar symptoms. 3. Oral diseases Oral hygiene is poor, there are a lot of plaque, dental calculus, or gingivitis, periodontitis and other diseases, easy to breed bacteria, bacteria decomposition of food residues will produce odor, leading to bad breath. At the same time, these oral problems may also affect swallowing function, so that part of the gas is expelled from the mouth, feeling like farting. In addition, long-term constipation will cause waste accumulation in the intestine, bacteria under the action of gas and odor. In addition, some systemic diseases, such as diabetes, if the blood sugar control is not good, may also appear special bad breath smell. Also, long-term mental stress, excessive stress, etc. may also affect the digestive system function, causing farting and halitosis. If these symptoms persist or are accompanied by other discomforts, such as abdominal pain, abdominal distension, nausea, vomiting, weight loss, etc., seek medical attention in time and carry out relevant examinations, such as gastroscopy, Helicobacter pylori detection, blood sugar detection, etc., to clarify the cause and take corresponding treatment measures. At the same time, maintaining good living habits and eating habits and paying attention to oral hygiene are also very important for improving these symptoms.