The dosage of Rabeprazole in different dosage forms and specifications may vary, usually Rabeprazole sodium enteric-coated tablets have 10mg, 20mg. Rabeprazole sodium enteric-coated capsules have 20mg. and the dosage for treating different diseases is also different, as follows. 1. Rabeprazole sodium enteric-coated tablets: (1) Gastric ulcer, duodenal ulcer, anastomotic ulcer, Droe-Ayer’s syndrome: adults take this product orally once a day the dose is usually 10mg. (2) reflux esophagitis: adults once daily oral dose of 10mg. 2. Rebeprazole sodium enteric capsule: (1) Patients with active duodenal ulcer and active benign gastric ulcer: 20mg once a day. (2) Patients with erosive or ulcerative gastro-esophageal reflux syndrome: 20mg once a day. (3) Maintenance therapy for long-term treatment regimens for gastro-esophageal reflux syndrome: Maintenance therapy at 10mg or 20mg once a day. It is important to note that the drug is contraindicated in patients with a history of drug allergy to any of the components of the product, in patients who are taking atazanavir sulfate, and in those who are allergic to rabeprazole sodium, benzimidazole metabolites, or excipients. A common side effect of the drug is dyspepsia. Rabeprazole is a prescription drug.