Esophagus

Barrett’s Esophagus By Anthony J. Calabrese, M.D. FACG Remember that antacids act like fire extinguishers. They can relieve heartburn, but repeated burns can lead to irreversible damage. Barrett’s esophagus is such a complication. In response to chronic acid injury, the lining or “mucosa” of the esophagus can change from the normal squamous lining (like in