Rabeprazole for Helicobacter pylori dosage is 10mg or 20mg each time, taken twice a day. Rabeprazole is a proton pump inhibitor that inhibits the secretion of gastric acid and treats gastrointestinal disorders caused by overproduction of gastric acid. Helicobacter pylori infection: caused by unclean diet, use of unclean dishes and so on. The eradication of H. pylori should be treated with quadruple therapy, which are proton pump inhibitor, two antibiotics, and bismuth agent, such as rabeprazole, amoxicillin, clarithromycin, and bismuth potassium citrate, of which the dosage of rabeprazole is 10mg or 20mg each time, and it is taken twice a day. Taking these drugs are allergic and other uncomfortable symptoms, it is recommended to take under the guidance of a doctor, avoiding self-not blindly self-medication, in order to avoid adverse effects.