Omez 40 mg Injection is used in the treatment of Zollinger-Ellison Syndrome, Gastric ulcer, Duodenal ulcer and Gastroesophageal Reflux Disease (GERD). It contains omeprazole, which help decrease the amount of acid in the stomach. Some of the common side effects include headache, diarrhoea, constipation, abdominal pain, flatulence, vomiting, nausea, etc.
