Omeprazole sodium generally refers to Omeprazole sodium for injection, which is mainly used for the treatment of peptic ulcer bleeding, acute gastric mucosal injury, prevention of upper gastrointestinal bleeding caused by severe and gastric surgery, duodenal ulcers when oral therapies are not applicable, and alternative therapies for gastric ulcers, etc.; its efficacy is to inhibit the secretion of gastric acid. It is recommended to follow the doctor’s instructions to use the drug. Omeprazole Sodium for Injection can highly inhibit the secretion of basal gastric acid and is mainly used for the treatment of peptic ulcer bleeding, acute gastric mucosal injury caused by stress or non-steroidal anti-inflammatory drugs, the prevention of upper gastrointestinal bleeding caused by severe diseases (such as cerebral hemorrhage, severe trauma, etc.) stress and gastric surgery, and the substitution therapy of duodenal ulcer and gastric ulcer when oral therapy is not applicable. Adverse reactions of Omeprazole sodium for injection include headache, diarrhea, nausea, vomiting, gas and bloating, constipation, abdominal pain, dizziness, feeling strange, insomnia, vertigo, drowsiness. It is contraindicated for those who are allergic to this product; use this product with caution if you have impaired liver function. It is recommended to use this product with caution in lactating and pregnant women. Omeprazole sodium for injection should be used rationally under the guidance of a doctor.