In general, coughing up food in the throat frequently may be caused by tracheoesophageal fistula, pharyngo-esophageal diverticulum, reflux esophagitis and other reasons.
1. Tracheoesophageal fistula: a pathologic fistula formed between the tracheobronchus and the esophagus, the main clinical manifestations of dysphagia, paroxysmal choking after swallowing, lung infection, etc., coughing, you may often cough up food residue in the throat.
2. pharyngo-esophageal diverticulum: it is the pharyngo-esophageal wall protrudes outward to form a blind bag communicating with the esophageal cavity, usually located in the pharyngo-esophageal junction. Clinical manifestations of patients mainly include dysphagia, breath with a putrid odor, and spontaneous reflux of esophageal contents whether or not coughing, so coughing up food may occur frequently.
3. Reflux esophagitis: it is a kind of gastroesophageal reflux disease (GERD) caused by acid or alkali reflux, with heartburn and reflux as the typical symptoms, so the patient may cough up food frequently, i.e. food reflux.
Coughing up food frequently in the throat may also be caused by other reasons, it is recommended to consult a doctor for examination in a timely manner, under the guidance of the doctor to clarify the cause of the disease, and take the corresponding treatment program.