The reason why the stomach does not reflux acidic water but the mouth is sour is considered to be due to eating acidic food or oral diseases.
1. Eating acidic food: generally eating more acidic food, such as lemon, plum, sour orange, etc., will cause the oral mucus secretion is acidic or food residues in the oral cavity fermentation will cause the mouth acidic situation occurs.
2. Oral diseases: such as periodontitis, gingivitis, stomatitis, oral ulcers and other diseases, may cause a large number of bacteria in the mouth, which can easily induce acidity or bad breath.
Stomach does not reflux acidic water but acidic mouth has more reasons, specific need to be combined with the individual condition to determine, it is recommended to consult a doctor in a timely manner to clarify the condition, so as not to delay the condition.