What is the cause of pyloric phlegm after meals?

Sputum after meals and Helicobacter pylori infection has little to do with it, it is likely to be related to esophageal reflux or respiratory tract inflammation, it is necessary to do sinus or lung chest X-ray or CT examination, analyze the cause, you can first use antibiotics and cough and phlegm drugs combined treatment after observation, to determine whether there is Helicobacter pylori infection, need to do 13 or 14c breath test to judge, if positive, it is necessary to consider antibiotics and antacid drugs combined use.