How Omeprazole 40 mg Can Bring Relief from Heartburn Heartburn, a burning sensation in the chest caused by stomach acid refluxing into the esophagus, can be an uncomfortable and distressing experience. While occasional heartburn is common and usually manageable with over-the-counter antacids, chronic or severe heartburn may require stronger medication for relief. Omeprazole 40 mg is one such medication that has proven to be effective in...