Sourness of the mouth can be caused by physiological factors, as well as drug factors, esophageal diseases, gastric diseases and so on.
1. Physiological factors: such as diet too salty, too acidic, too cold, too hot, or eat too much indigestible food, as well as excessive fatigue, mental stress, long-term alcohol abuse, irregular diet, etc., can be triggered by the mouth acidity, can be relieved on their own.
2. Drugs: non-steroidal anti-inflammatory drugs such as aspirin and indomethacin can damage the stomach and trigger the symptoms of acidity.
3. Esophageal diseases: such as esophagitis, esophageal cancer, esophageal diverticulum, esophageal hiatal hernia, gastroesophageal reflux disease, pancreatic achalasia, etc., and the patient may also be accompanied by heartburn, foreign body sensation in the throat, acid reflux, chest pain and other uncomfortable symptoms.
4. Gastric diseases: such as gastrinoma, gastric cancer, gastritis, gastric ulcer, gastroparesis syndrome, pyloric obstruction, etc., patients may also be accompanied by epigastric pain, diarrhea, belching, nausea, loss of appetite and other symptoms.
Patients with symptoms of sour mouth, persistent non-relief or other discomforts, should promptly seek medical advice under the guidance of a doctor to find out the cause of the disease, to avoid blind judgment, so as to avoid delays in the condition.