OMEFOL 20MG CAPSULE contains Omeprazole which belongs to the group of medicines called  Proton pump inhibitors. It is used in the management of gastro-oesophageal reflux disease (acid contents in the stomach flows back into the tube connecting your mouth and stomach causing heartburn, nausea, vomiting, bitter taste, discomfort in upper abdomen) in children (above 1 years of age) and adults.