There are a lot of medicines for stomach protection, commonly used acid-suppressing and stomach-protecting drugs, gastrointestinal dynamics drugs, and gastric mucosa protection drugs. 1. Acid-suppressing gastric drugs: a class of drugs that inhibit the secretion of gastric acid, including: (1) proton pump inhibitors, such as omeprazole, pantoprazole, rabeprazole, etc. After oral intake, headache, bloating, insomnia, skin rashes may occur. Adverse reactions such as headache, bloating, insomnia, and rash may occur after oral administration. (2) Hâ‚‚ receptor blockers, such as ranitidine and cimetidine, common adverse reactions include nausea, rash, constipation, headache, and dizziness. 2. Gastrointestinal stimulants: such as mosapride, cisapride, etc., mainly used for functional dyspepsia, oral intake may cause diarrhea, abdominal pain, dry mouth, skin rash and other adverse reactions. 3. Drugs to protect the gastric mucosa: a class of drugs used to neutralize gastric acid and protect the gastric mucosa, such as aluminum thioglycollate, magnesium aluminum carbonate granules, bismuth potassium citrate, teprenone, etc., after oral intake may appear dry mouth, nausea, constipation and other adverse reactions. The appearance of stomach discomfort need to consult a doctor in a timely manner, under the guidance of the doctor to choose the appropriate drug treatment.