Rabeprazole sodium enteric-coated tablets are mainly used for the treatment of duodenal ulcer, peptic ulcer, reflux esophagitis and other diseases, usually may have to take 4 to 8 weeks. 1. duodenal ulcer: rabeprazole sodium enteric-coated tablets mainly through the inhibition of gastric acid secretion, but also can play a role in protecting the gastric mucosa, and the duodenal mucosa is mainly due to the gastric glands secretion of gastric acid erosion, resulting in duodenal mucosa damage caused by the emergence of ulcers, so you can take rabeprazole sodium enteric-coated tablets for treatment, usually eat for about 4 weeks. 2. Peptic ulcer: mainly refers to the gastrointestinal mucosa by gastric acid or gastric protein mucosa erosion, digestion of the formation of ulcers, usually need to eat rabeprazole sodium enteric-coated tablets for about 6 weeks, peptic ulcer healing before stopping the drug. 3. Reflux esophagitis: when gastric acid reflux into the esophagus, may lead to esophageal mucosal erosion by gastric acid damage, need to take rabeprazole sodium enteric-coated tablets under the guidance of a doctor for 4 to 8 weeks. Common adverse reactions after taking the drug are headache, diarrhea and nausea. Allergy to the drug, pregnant and lactating women are prohibited. The drug should be taken under the supervision of a physician.