If the sore throat is caused by gastric reflux you can elevate your head while lying in bed or take medications such as domperidone and omeprazole as prescribed by your doctor to reduce food reflux and relieve stomach acid. If it is accompanied by pharyngitis, it needs to be treated according to the cause of the pharyngitis. 1. Sore throat caused by gastric reflux is usually reflux pharyngitis caused by gastroesophageal reflux disease (GERD). In GERD, the lower esophageal sphincter is usually relaxed, and sore throat occurs when the stomach contents reflux into the throat. Patients are advised not to rest in bed immediately after eating, and can also avoid food reflux by keeping their head elevated while lying in bed. You can also follow the doctor’s instructions to take domperidone, mosapride and other gastric stimulants to promote gastrointestinal peristalsis, accelerate gastric emptying and reduce the irritation of reflux on the throat; take omeprazole, pantoprazole and other drugs to inhibit the secretion of gastric acid, reduce the irritation of reflux, and alleviate irritation of the throat. 2. The phenomenon can also occur if you have GERD and also suffer from pharyngolaryngitis, where there is an infection or inflammation in the throat leading to sore throat. Treatment needs to be based on the cause. Considering viral infection as the cause, antiviral drugs such as oseltamivir phosphate can be applied. You should consult a doctor to find out the cause of the sore throat and treat it according to the cause of the sore throat. Usually pay attention to a light diet, avoid greasy, spicy food, do not immediately after meals bed rest. Drugs need to be used under the guidance of a doctor.