What's the difference between Heartburn, Frequent Heartburn, Acid Reflux and GERD? This Prilosec OTC Video Series, featuring Dr. Frank McGeorge, will tell you the difference and show you easy ways to control stomach acid levels. - First, let us show you some heartburn facts and tips: • Heartburn Symptoms, Causes and Remedi... SUBSCRIBE to Prilosec OTC to be first to see our newest content on heartburn relief: / @prilosecotc Social links. This is a Prilosec OTC Video Series providing an in-depth look at Heartburn, Frequent Heartburn, Acid Reflux and GERD.