Esophagitis is an inflammatory process that affects the lining of the esophagus. This disease is classified into several types, each with specific symptoms. Usually, esophagitis is not an independent disease, inflammation occurs due to other pathologies of the digestive system, namely the stomach and intestines. The most common cause is gastroesophageal reflux disease. With it, the acidic contents of the stomach are thrown into the esophagus, which leads to damage and inflammation of its mucous membrane. Therefore, the treatment of esophagitis always includes therapy for the principal disease, it is necessary to prevent relapse and other complications.