In your case, you may have eaten unclean food on March 6, which led to the persistence of an intestinal infection (subclinical) and secondary intestinal flora disorders due to irregular medication intake. Because of the recent changeable and cold weather, you have also developed epigastric pain because of the damage to the gastric mucosa from continued medication. Suggested treatment plan: 1. Acid suppressant: (omeprazole/pantoprazole/lansoprazole (kojicin)/ rabeprazole (rebottom, zeno)/esomeprazole, either one), try it for 1 week. 2.Acid control agent: magnesium aluminum carbonate tablets (Daxi), take as directed. 3, Flavopiridol tablets, 3 times daily, 3 tablets each time, taken after meals. 4, Pefixang, Atenein, Mechengan and other drugs to choose one, in the time between the two doses of Huangliansu take the drug, that is, staggered with Huangliansu 2 hours to take. 5, dinggui navel patch, external use, dietary advice: avoid spicy, cold, stimulating food, abstain from alcohol, tea, carbonated drinks, pay attention to keep warm. In addition, do not eat out, check whether the daily drinking water is clean.