Omeprazole reduces the amount of acid your stomach makes. It’s a widely used treatment for indigestion and heartburn and acid reflux. It’s also taken to prevent and treat stomach ulcers.

Omeprazole is a proton pump inhibitor (PPI) that reduces the amount of acid produced in the stomach. The drug is often prescribed for acid reflux and is available in 10mg, 20mg and 40mg capsules to be taken once per day.