NEXIUM is called the healing purple pill because NEXIUM can heal the erosions in your esophagusThe tube that carries food from your throat to your stomach. that may be caused over time by acid churning up from the stomach and wearing away the delicate lining of the esophagus. This condition is called erosive esophagitis, and only your doctor can determine if you have it. With NEXIUM, most erosions heal in 4 to 8 weeks. Your results may vary.