Omega Capsules contain Omeprazole 20 mg or 40 mg in alu-alu blisters of 2x7, and in vials containing omeprazole sodium 42.6 mg equivalent to 40 omeprazole. Omeprazole belcongs to a class of drugs known as proton pump inhibitors (PPIs), and is used for the treatment of Gastroesophageal Reflux Disease (GERD), peptic ulcers and Zollinger-Ellison Syndrome.