Patients who are non-healthcare professionals often encounter such things in their daily medication, that is, two drugs seem to have the same therapeutic effect and both are suitable for their health conditions, but they don’t know which one should be used and is more suitable for their conditions! Today we will take a look at the difference between rabeprazole and omeprazole. Both omeprazole and rabeprazole belong to the proton pump inhibitor type of gastric acid inhibitors, which are currently the most commonly used type of acid suppressants for acid-related gastrointestinal disorders in clinical practice. Both drugs reduce gastric acid secretion by inhibiting the activity of proton pump enzymes, and are commonly used in the treatment of gastric ulcer, duodenal ulcer, reflux esophagitis and the eradication treatment of H. pylori, etc. The differences are as follows: a. The scope of application is different, omeprazole is mainly used for gastric ulcer, duodenal ulcer, stress ulcer, reflux esophagitis and Zhuo. Ai syndrome (gastrinoma). Rabeprazole is indicated for active duodenal ulcer; benign active gastric ulcer; erosive or ulcerative gastroesophageal reflux syndrome (GERD) with clinical symptoms, etc. Second, the side effects are different. The main adverse reactions of omeprazole are gastrointestinal reactions, such as nausea, diarrhea, constipation, epigastric pain, etc. Rash and transient bilirubin elevation also occur. Serious adverse reactions to rabeprazole include shock, triggering hemocytopenia, and hemolytic anemia. When taking rabeprazole treatment, the possibility of cancer such as stomach cancer and esophageal cancer should be excluded. Third, one more advantage of rabeprazole compared with omeprazole is that rabeprazole can enhance the eradication success rate of quadruple therapy in the drug regimen for the removal of H. pylori, and the effect is better than omeprazole. The effects of rabeprazole and omeprazole are similar, and it is important to follow the doctor’s orders as to which drug to use, and to use the drug under the doctor’s guidance. Another point to note is that rabeprazole drugs are generally enteric preparations, generally taken one hour before meals in the morning and evening, when taking either capsules or tablets, must be collated and swallowed, do not chew or crush to take.